Quiz review - composite functions & inverse functions
No - they are not inverses
Are the functions inverses? y=12x-3 and y=(x-3)/12
Yes - they are inverses
Are the functions inverses? y=3x+2 and y=(x-2)/3
f⁻¹(x) =5x−4
Find the inverse of f(x) = (x+4)/5
f⁻¹(x) = ½(x+3)
Find the inverse of f(x) = 2x−3
f⁻¹(x) = √(x−9)
Find the inverse of f(x) =x²+9
{(2,3), (-3,4), (5,7)}
What is the inverse of {(3,2), (4,-3), (7,5)}?
y=x
What line is the axis of symmetry for inverse functions?
-2
f(x) = x² + 5 and g(x) = x - 7 find (g ∘ f)(0)
x² - 2
f(x) = x² + 5 and g(x) = x - 7 find (g ∘ f)(x)
f⁻¹(x) =−3+√(x−1)
f(x) = (x+3)²+1
15
f(x) = x + 9 and g(x) = 2x find (f ∘ g)(3)
14
f(x) = x + 9 and g(x) = 2x find (g ∘ f)(-2)
30
f(x) = x² + 5 and g(x) = x - 7 find (f ∘ g)(2)
x² - 14x + 54
f(x) = x² + 5 and g(x) = x - 7 find (f ∘ g)(x)