RELATIONS AND FUNCTIONS: FUNCTION NOTATION
Evaluate f(x) = x 2 + 1 for f(10).
101
Evaluate f(x) = x 2 + 1 for f(-1).
2
If f(x) = x 2 + 1, find f(a + 1).
a 2+ 2a + 2
If f(x) = x 2 + 1 and g(x) = 3x + 1, find f(-1) + 5g(-3).
-38
If f(x) = x 2 + 1 and g(x) = 3x + 1, find [f(2)-g(1)] 2.
1
If f(x) = x 2 + 1 and g(x) = 3x + 1, find g(20) + f(6).
98
Complete the table and then determine which of the following is the graph of x ƒ(x) -2 -1 -3
B
Complete the table and then determine which of the following is the graph of ƒ(x) = 2√x x ƒ(x) 0 1 4
B
Which of the following are true of F(x)?
F(x) is read as "F of x" F is the graph at a particular value of x. y is equal to F(x)
If f(x) = x 2 + 1 and g(x) = 3x + 1, find 2f(1) + 3g(4).
43
Evaluate the function f(x) = x 2 + 1 for f(2).
5
If g(x) = 3x + 1, evaluate g(-14).
-41
If f(x) = 3x + 1, then f(a + h) - f(a) =
3h
If f(x) = x 2 + 1 and g(x) = 3x + 1, find [f(4)] 2.
289
Given the function f(x) = 3x + 1, evaluate f(a + 1).
3a + 4
If f(x) = x 2 + 1 and g(x) = 3x + 1, find 2·f(4).
34
If g(x) = 3x + 1, evaluate g(-2).
-5
If f(x) = x 2 + 1 and g(x) = 3x + 1, find f(2) + g(3).
15