Question

calcule f(x)=8x+15 para
f(0)
f(-3)
f(5)

Answer 1

f(0)= 8(0) + 15
f(0)= 0 +15
f(0)= 15

f(-3)= 8(-3) + 15
f(-3)= -24 +15
f(-3)= -9

f(5)= 8(5) +15
f(5)= 40+15
f(5)= 55

Answer 2

8x+15

8•0+15=23

=23

8•-3+15

-23+15

=8

8•5+15

40+15

=55