Respuesta :

Step-by-step explanation:

f(x) = —x^2 – 3x

f(10)={-10}²-3×10=100-30=70

Answer:

f(10) = 70

Step-by-step explanation:

In this question, plug in "10" to "x" and solve.

Solve:

f(10) = -(10)^2 - 3(10)

f(10) = 100 - 3(10)

f(10) = 100 - 30

f(10) = 70

Your final answer would be f(10) = 70