Function Practice

If f(x)=6x²-4,
what is f(-1)?

• -2
• 13
• 2
• 0

Evaluate f(x)=-2x+13   for f(10)

• -7
• 1
• -8
• 7

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30

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

• 7
• 35
• 2.33333
• -49

Is this graph a function or not a function? 

• Function
• Not a Function