Question

Diketahui f(x)=5x-9
Nilai f(2a+1)+f(3) adalah

Answer 1

F(x) = 5x-9
f(2a+1) = 5.(2a+1)-9
10a+5 = -9
10a = -9-5
10a = -14
a = -1,4
f(3) = 5.(3)-9
f(3) = 15-9
f(3) = 6
f = 2.

f(2a+1)+f(3) = -1,4 + 2 = -0,6