brianaspence08 brianaspence08
  • 04-05-2020
  • Mathematics
contestada

Evaluate.

Find (f ∙ g)(3) given f(x) = x - 5 and g(x) = -4x2 + 11x + 5.

A.-248

B.16

C.-94

D,-4

Respuesta :

benlupsa25
benlupsa25 benlupsa25
  • 04-05-2020
B because I did the math and it’s b
Answer Link
ItzMikeSS
ItzMikeSS ItzMikeSS
  • 04-05-2020

Answer: D) -4

Step-by-step explanation:

[tex]f(x)=x-5\\g(x)=-4x^2+11x+5[/tex]

[tex](f*g)(3)=(x-5)(-4x^2+11x+5)\\(f*g)(3)=(3-5)(-4(3)^2+11(3)+5)\\(f*g)(3)=(-2)(-4*9+33+5)\\(f*g)(3)=(-2)(-36+38)\\(f*g)(3)=(-2)(2)\\(f*g)(3)=-4[/tex]

Answer Link

Otras preguntas

A proton travels at right angles through a magnetic field of 0.025 Tesla's. If the magnitude of the magnetic force on the proton is 1.8x10^-14 Newton's, what is
Find the solution(s) to the system of equations. y= x^2 -2x -3 y= x -3
plsss help asap it would meannn alotttt plss and tyyy
(7x2 + 4x + 10) - (3x2 + 2x - 6)
Which sentence would be the best translation of “I am going to sunbathe by the pool the day after tomorrow.” a) Tomo el sol al lack de la piscina pasado mañana
Find g: 3g + 15 - 12 + 3 - 2g + 4 = 1
A group of n people enter an elevator in a building with k floors. Each person independently selects a floor uniformly at random (each with equal probability 1/
Stephanie is a 40 percent partner in the SKY Partnership. During the current tax year, the partnership reported ordinary income of $210,000 before payment of gu
Calculate the headloss through a filter bed consisting of 30.0 in. of stratified sand with the gradation given below. Assume a filtration rate of 5.0 gpm/ft2, a
What is the slope of y=17x