diketahui rumus fungsi f adalah f(x) = 8x+5. nilai f(-1/2)=

f(x) = 8x + 5

Maka
f(-1/2) = 8(-1/2) + 5
f(-1/2) = -4 + 5
f(-1/2) = 1

f(x)=8x+5
f(-1/2)=8×(-1/2)+5
f(-1/2)=-4+5
f(-1/2)=1