Question

What is f(-3)? on relations and functions
A:-2
B:-1
C:1
D:5

Answer 1

Are you given a graph?

Answer 2

No

Answer 3

what other information about f(x) are you given?

Answer 4

are you given a chart?

Answer 5

Thats all that is in the question but i found the answer now i have a different problem.

Answer 6

Given f(x) = x – 10, what is f(–7)?

Answer 7

oh ok, f(-7) means that you replace every copy of x with -7 and evaluate

Answer 8

f(x) = x – 10

f(-7) = -7 – 10

f(-7) = ??

Answer 9

-17

Answer 10

good

Answer 11

thanks i have one more on these types of problems

Answer 12

by the way im gonna be your fan

Answer 13

ok go ahead and post

Answer 14

Given f(x)=-x+15 what is f(-3)

Answer 15

same thing, just with a different value

Answer 16

replace every copy of x with -3 and evaluate

Answer 17

-18

Answer 18

you replace x, not -x

Answer 19

f(x) = -x + 15

f(x) = -1*x + 15

f(-3) = -1*(-3) + 15

f(-3) = ???

Answer 20

18

Answer 21

better

Answer 22

thanks i do online school so my grade was an 80% witch is passing