RELATIONS AND FUNCTIONS: FUNCTION NOTATION

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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


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