gregedwardferia gregedwardferia

23-01-2018
Mathematics

contestada

If f(x) = 2x^2 + 1 and g(x) = x^2 - 7, find (f+g)(x)

A. 3x^2 + 8
B. 3x^2 - 6
C. x^2 - 6
D. x^2 + 8

Respuesta :

gustanika gustanika

23-01-2018

(f + g)(x) means f(x) + g(x)

So, you just input the function of f(x) and g(x) altogether, then simplify it.
(f + g)(x)
= f(x) + g(x)
= 2x² + 1 + x² - 7
= 2x² + x² + 1 - 7
= 3x² - 6

The answer is b

Answer Link

Otras preguntas

Es un tipo de texto que cuenta relatos de un modo distinto a lo que lo hacen otro tipo de narraciones es...

If x = 10, what’s the value of “z” in the equation, z = (x^3 / 5) – 12 ?

Identify examples of loop structures using comments in your code. Be sure your examples address each of the following: i. Item-based for loops ii. Index-based (

In odd nuclei, what determines the final spin of the nucleus?

Rojas Co. owned 7,000 shares (70%) of the outstanding 10%, $100 par preferred stock and 60% of the outstanding common stock of Brett Co. When Brett reported net

A display case is shaped like a cube. The edge length of the display case is 15 inches. a. Write a power that represents the volume (in cubic inches) of the dis

25. 232 children and 45 adults are going on a field trip. Each bus can seat 40people. A) How many buses will they need to take everyone? B) Howmany empty seats

Which functions have an addictive rate of change of 3? Select two options

Hydraulic systems utilize Pascal's principle by transmitting pressure from one cylinder (called the primary) to another (called the secondary). Since the pressu

The equation x² – 1x – 90 = 0 has solutions {a, b}. What is a + b?