Question

sendo f: R-->R , definida por f(x) = x²-3x-10. calcule .
a) f(-2)
b) f(3)

Answer 1

f(-2)= (-2)2 -3.(-2) -10
f(-2)= -8

f(3)= (3)2 -3.3 -10
f(3)= -11