math final
Let g(x)= 5x². Find g(g(-1))
-125
Let f(x) = 3x¹/² and g(x) = -7x⁴. Find g(x) × f(x)
-21x⁶
Let f(x) = x ¹/² +1 and g(x) = 5x¹/² -2. Find f(x) -g(x)
-4x ¹/² + 3
-4 -8 16 ___ - ___ 5 25
-6.6666 repeating
give the first 4 terms of the geometric sequence for which a₁ =-7 and r = -4
-7, 28, -112, 448
find the sum of the infinite geometric series- another e thing
-9 ___ 4
a die is rolled twice, what is the probablilty of getting 2 3's
1/ 36
allie takes her 6 year old brother derek into a store
1/11
find the first four terms of the sequence aⁿ =n (5n+5)
10, 30, 60, 100
find the sum of the first 22 terms of the arithmetic sequence, if the first term is 2 the common difference is -5
1155
The number of lilies a large nursery can sell each day after april is modeled by a sequence
1250, 1175, 1100
evaluate the large e thing- basically memorize this number
127.5
#64 what is the interquartile range
20
evaluate P(8,6)- don't really have to memorize very easy
20, 160
#69 find the mean of the values of houses on Washington street
225,000
#68 box and whisker- what is the number of iTunes at the 50th percentile
25
# 57 what is the mode
28
expand the logarithm lnx²/8
2lnx-ln8
Let f(x) = 2x+3 and g(x) = x²-1. Find g(f(x)). The answer should be simplified
2x²+1
Let f(x) = 3x² and g(x) = -7x⁴. Find g(x) ÷ f(x)
3/-7x²
# 59
30
2 salads, 5 main courses and 3 desserts how many outcomes
30
# 58 what is the median
33
how many ways can you arrange the letters in parallel
3360
# 56- what is the mean
35
Let f(x) =2x+3 and g(x) =x²-1. Find g(f(x)). The answer should be simplified
4x²+12x+8
how many ways can you select a comitee of 6 out of 30
593,775
multiply d²/ef x 5e⁵f/4d
5de⁴/4
Simplify the expression using the inverse properties log₇7⁵x
5x
4 1 ___ + _____ x+8 x-8
5x-24 _______ (x-8) (x+8)
a jar contains 22 choc chip, 18 sugarand 15 oatmeal- kylie randomly picks - memorize
6/55
Let f(x) = x¹/² + and g(x)= 5x¹/² -2. Find f(x) + g(x)
6x₁/₂ - 1
Use the formula R=log₁₀I, where R is the measurement of the Richter scale and I is the intensity, to find the Richter scale measurement of an earthquake with the intensity 53,000,000
7.7243
#63 what is the first quartile
70
Zayne is selecting a 6 character password, the first must be a numeral the remaining 5 must be letters how many ways can he create a password without repeating
78, 936,000
#62 what is the median
80
#61 what is the third quartile given
90
write a rule for the nth term of the geometric sequence with a₃ = 75 and r =5
Aⁿ = 3.5 ⁿ⁻¹
write the rule for the nth term -10, -4, 2, 8
Aⁿ= -16+ 6n
a 4 ___ + __ = 1 a-12 a
a=3
#65 what is the mean
cant tell from info given
find the common difference of this arithmetic sequence
d = .4
-5 _____ = j-2 j+4
j= -3, 1
3 3 ____ = ____ k²-1 k+1
k=2 not -1 tho
Express as a single logarithm loga13 + loga60
loga780
#70 what measures central tendency will give the best interpretation of the data
mode
simplify n²+2n-24/n²-11n+28
n+6/n+7
what is an example of independent events
picking a shirt size and then a color
solve e⁻⁰.⁰⁹⁺ =4
t= -15.4033
The velocity of sound in air is given by the equation v=20√273+t where v is the velocity in meters per second and t is the temperature in degrees Celcius. Find the temperature when the velocity of sound in air is 310 meters per second. Round the answer to the nearest degree
t= -33
(x-5) x (x+9 ------ x²-25)
x+9/x+5
3x-8 -x+8 _____ - ______ 4x 4x
x-4 ____ x
x²+9x+18 x+6 _____________ ÷ ______ x²-9 x-6
x-6 _____ x-3
Which gives the solution of ³√5x+4 +5 =6
x= -3/5
solve log₃ (5x+9) =3
x= 18/5
x+2 3 1 _____ - ___ =__ 4x 2x 8
x= 8
Which gives the solutions of √x+72 =x
x= 9,-8
Which gives the soultions of the equation ³√x-5 = -6
x=-211
solve for x to the nearest hundredth 3²x =7
x=.89
solve 6⁴∧x+2 = 6²∧x+6
x=2
#71 for what value of x will x and 12 have the same mean as 4 and 30
x=22
solve ln(5x-4) = ln (x-10)
x=3/2
log₃729
x=6
Which is an equation for the inverse of the relation y= 4x+2
y= x-2/4