Question

For f(x)=5x+1 find f(-4)
a.) -19
b.) 1
c.) -21
d.) 21

Answer 1

f(x)=5x+1

f(-4)=5(-4)+1 ... replace EVERY copy of x with -4

f(-4) = ???

Answer 2

tell me what you get

Answer 3

I'm confused do I just use each answer for x? or?

Answer 4

or -4?

Answer 5

you would use the order of operations to evaluate 5(-4)+1

Answer 6

5(-4) means 5 times -4

Answer 7

are you familiar with PEMDAS?

Answer 8

-19? and yes I'm just really stupid.

Answer 9

-19 is correct and no you aren't stupid