Madicat500
Madicat500 Madicat500
  • 03-11-2016
  • Mathematics
contestada

If f(x) = 3x^2 + 1 and g(x) = 1 – x, what is the value of (f – g)(2)?

A:12
B:14
C:36
D:38

Please explain your answer choice.

Respuesta :

Azieq
Azieq Azieq
  • 03-11-2016
f - g(2) = 3x^2 + 1 - ( 1 - x )
= 3x^2 + 1 - 1 + x
= 3x^2 + x
= 3(2)^2 + 2
= 14

the answer is B.14

i am a mathematics teacher. if anything to ask please pm me
Answer Link

Otras preguntas

1. What is the empirical formula for a compound containing 63.8% N and 36.2% O? a. N₂O₅ b. N₂O₃ c. NO₂ d. NO e. N2₂O
How to convert 0.39 into a fraction?
What part of the cell function as factories to produce proteins???
Any facts on string art? I can't find any!
The golfer hits the golf ball. The quadratic y=-8*x^2 +48*x gives the time x seconds when the golf ball is at height 0 feet. In total, how long is the golf ball
Who were the 'KKK' and what were there intentions? (Teacher didn't tell me)
Who were the Britons fighting against in the middle ages?
a bicycle wheel travels about 82 inches in 1 full rotation. What is the diameter of the wheel, to the nearest inch? (use 3.14 for pi)
area is 320 square feet width is 4/5 length
Suppose x + y = 6 and xy = 4. Find the value of x² y + xy² without solving the equations.