twebb7800 twebb7800

22-01-2019
Mathematics

contestada

If f(x) = 2x^2 + 1 and g(x) = x2 – 7, find (f + g)(x).
4x^2+1/2x-1
4x^2+3/2x-1
6x^2-7
4x^2+3/2x-7

Respuesta :

28-01-2019

Answer:

(f + g)(x) = 3x² - 6

Step-by-step explanation:

(f + g)(x) = f(x) + g(x)

f(x) = 2x² + 1, g(x) = x² - 7.

Substitute:

(f + g)(x) = (2x² + 1) + (x² - 7) = (2x² + x²) + (1 - 7) = 3x² - 6

Answer Link

Otras preguntas

A baby born from a caesarian section (an operation where the baby is removed surgically from the abdomen instead of a vaginal birth) would result in:

I need to develop a hypothesis for the mystery of the straight of Gibraltar what would be an example of a hypothesis. Does not have to be related I just need a

The penny size d is given by the literal equation d = 4n - 2, solve for n

How to find 3 numbers with gcf of 16

I would like to know How to calculate ?

use rounding or compatible numbers to estimate the sum 171+ 727

Identify the percent of change as an increase or a decrease. 68 miles to 42.5 miles

State the domain of the relation. A {1, 2, 3, 3, 4, 5} B {−3, −1, 1, 2, 3} C {0, 1, 2} D {−2, −1, 0, 1, 2}

What is the net force on a bright red mercedes convertible traveling along a straight road at a steady speed of 100 hm/h?

Find the sum of 3 - 7i and 8 + 4i.