Iowa Practice Algebra

f(x) is the same thing as ______.

• y
• x
• input
• an equation

What is x if
f(x) = -2?

• 4
• 0
• 3
• 8

Given h(x) = 5 - 9x, find h(8). 

• h(8) = -360
• h(8) = -67

What is f(1)?

• 1
• 5
• 0
• 4

For the function f(x) = -3(x-1) find f(0).

• 0
• -3
• 3
• -1

Evaluate f(-2) if f(x) = x + 3

• -1
• 1
• 5
• -5

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

Let w(x) = 3x - 7. If w(x) = 14, find x.

• 7
• 35
• 2.33333
• -49

Solve for f(10):
f(10) = -x - 5

• 15
• -5
• -15
• 50

If f(x) = x - 5, what is the value of x when f(x) = 15?

• 20
• 10
• 5
• 0