Question

dada a função f(x)=2xao quadrado 3x-7x determine f(2) e f(6)

Answer 1

f(x) = 2x² +3x -7x
f(x) = 2x² -4x

f(2) = 2(2)² -4(2)
f(2) = 8 -8
f(2) = 0

f(6) = 2(6)² -4(6)
f(6) = 72 -24
f(6) = 48