Respuesta :

A f(3)

-2(3) + 7 = 1

B f(-5)

-2(-5) + 7 = 10+ 7 = 17

Hope this helps!
bunnymarshmarloykw47

To find the answers, we can put the numbers as x.

A) f(x)= -2x+7, when f(3)

f(3) = -2(3)+7

=-6+7

=1

Therefore f(3) = 1

B) f(x)= -2x+7, when f(-5)

f(-5)= -2(-5)+7

=10+7

=17

Therefore f(-5) = 17

Hope it helps!