Aren't Functions

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

• x = -5

• x = 5

• x = -50

• x = 30

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7

• -2

• -9

• -10

Is this a function?

• Yes

• No

• Maybe

• It's a curvy line

Is this a function?

• Yes

• No

• Let me ask my dog...

• Why are there letters in math?

Is this a function?

• Yes

• No

• I'm Confused

• May I phone a friend?

Is this a function?

• Yes

• No

• I bet Ms. Byrd is laughing at me? maybe it's a trick!

• Why is this so easy?

Given f(x) = 2x-3, what is the value of f(3)?

• 7

• 4

• 5

• 1

Given f(x)= (2 + x )², what is the value of f(-3)?

• 1

• 25

• -1

• 5

Evaluate f(-2) if f(x) = x²+ 3

• -1

• 1

• 7

• -7

Evaluate f(-5) if f(x) = -2x - 12

• -22

• -2

• -19

• -5