Question

Seja a função f: R > R definida por f(x) = 3 - 2x

Calcule:

a) f(-2) + f (3)
b) f(0) . f(4)

Answer 1

a) a) f(-2) + f (3)

3-2x=>


3-2*(-2) + 3 -2*3=>
3+4+3-6=>
8+3-6=>
11-6=>
5


b) f(0) . f(4)

3-2x=>

3-2*0 × 3-2*4=>
3-0× 3-8=>
3 * (-5)=>
-15