Question

06) Dada a função f(x) = 8x +
15, calcule:
a) f(0) - f(3)
b) f(5)-f(10)
c) f(7) + f(-3)
d) f(2) + f(3)​

Answer 1

Explicação passo-a-passo:

a)

f(0)-f(3)=8.(0)+15-8.(3)+15

f(0)-f(3)=0+15-24+15

f(0)-f(3)=15+15-24

f(0)-f(3)=30-24

f(0)-f(3)=6

b)

f(5)-f(10)=8.(5)+15-8.(10)+15

f(5)-f(10)=40+15-80+15

f(5)-f(10)=55-65

f(5)-f(10)=-10

c)

f(7) + f(-3)=8.(7)+15+8.(-3)+15

f(7)+f(-3)=56+16-24+15

f(7)+f(-3)=72-9

f(7)+f(-3)=63

d)

f(2) + f(3)=8.(2)+15+8.(3)+15

f(2)+f(3)=16+15+24+15

f(2)+f(3)=31+39

f(2)+f(3)=70

Espero ter ajudado!