Question

gak bisa kalem kayak cewe lain .-.

f(x) = 2x + 4x + 8x - 10x × x
f(2) = ​

Answer 1

f(x) = 2x + 4x + 8x - 10x × x

f(2) = 2(2) + 4(2) + 8(2) - 10(2) × 2

f(2) = 4 + 8 + 16 - 20 × 2

f(2) = 4 + 8 + 16 - 40

f(2) = 12 + 16 - 40

f(2) = 28 - 40

f(2) = - 12