jacob07003 jacob07003

01-07-2019
Mathematics

contestada

Given that ƒ(x) = x² + 5x, evaluate ƒ(-2).

-6
-14
7

Respuesta :

musiclover10045 musiclover10045

01-07-2019

f(-2) means replace x in the equation with -2, then solve:

-2^2 +5(-2)

Simplify:

4 + -10

Add:

-6

Answer Link

Otras preguntas

How to calculate PI number?

Which terms are used to identify pure substances? (1) an element and a mixture (2) an element and a compound (3) a solution and a mixture (4) a solution and a c

Which element has chemical properties that are most similar to those of calcium? (1) Co (3) N (2) K (4) Sr

An experiment produced 0.10 g CO2, with a volume of 0.056 L at STP. If the accepted density of CO2 at STP is 1.96 g/L, what is the approximate percent error?

Which conclusion was a direct result of the gold foil experiment? (1) An atom is mostly empty space with a dense, positively charged nucleus. (2) An atom is com

Solve: 2a-3b=52a−3b=5 a+b=10

Which condition causes ocean salinity to increase? A. river water flowing out into the ocean B. high levels of precipitation C. high levels of evaporation

The wave-mechanical model of the atom is required to explain the (1) mass number and atomic number of an atom (2) organization of atoms in a crystal (3) radioac

What is the solution of -14+x=23

At STP, which element is solid, brittle, and a poor conductor of electricity? (1) Al (3) Ne (2) K (4) S