Question

na função f(x)=3x-4 calcule: a)f(3) b)bf(-2)

Answer 1

f(x)=3x-4
f(3)=3(3)-4=9-4 = 5✓
f(-2)=3(-2)-4=-6-4= -10✓

Answer 2

A) f(3)= 3 × 3 -4
9- 4
5

B) f(-2)= 3 × (-2) - 4
-6 -4
- 10