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 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

how to round 65.85 to the nearest tenth
What are three ratios equivalent to 18:4
convert 500ml to how many liters
what is or are the fundamental requirements for an object to be considered art and why do think so
Explain the connection between farming and growth of early cities.
What is 0.8 and 5/8 and 0.01 in a percentage
Lin sold 4 more shirts than Greg. Fran sold 3 times as many shirts as Lin. In total the three sold 51 shirts. Which represents the number of shirts Greg sold
Joanne deposited $10,000into an interest account that earns 5.5 percent compound interest,compounded annualy.How much is in the account after 10 years.
Write “400 pounds per 340 square feet” as a rate in simplest form.
what is the direct object of the scentenc edna saw a rabbit in the flower patch