elyssadove elyssadove

11-07-2020
Mathematics

contestada

for f(x)=2x+1 and g(x)=x^2-7, find (f+g)(x) A. 2x^2-15 B.X^2+2x-6 C.2x^3-6 D.x^2+2x+8

Respuesta :

jimrgrant1 jimrgrant1

11-07-2020

Answer:

C

Step-by-step explanation:

(f + g)(x) = f(x) + g(x) , thus

f(x) + g(x)

= 2x + 1 + x² - 7 ← collect like terms

= x² + 2x - 6 → C

Answer Link

Otras preguntas

Line segment pq is a directed line segment beginning at p(6,-5) and ending at q(-2,4). find point r on the line segment pr that partitions it into the segments

A skier glides down a hill from 100 m height. At what velocity will he pass the 100 m mark?

give the phases into which matter can be classified, and an example of each

B is the midpoint of AC. AB= 3(3x-1) and AC=5(2x+2) find X, AB, BC, and AC

Solve the inequality. -1.5(4x+1) ≥ 45-25(x+1)

Please help! I don't understand how to do this.

help me solve this problem please i'm trying pass the 7th grade please

In triangle ABC shown below, side AB is 6 and side AC is 4: Triangle ABC with segment joining point D on segment AB and point E on segment AC. Which statement i

At the end of the introduction, researchers state ______. A. the limitations of their study B. the title of their paper C. their hypotheses D. the results

What does it mean for an event to be unusual? why should the cutoff for identifying unusual events not always be 0. 05?.