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

How do we solve an equation by factoring?Problems such as x² - 9 = 0 and x²  + 13x = -36.
write the name given to a large area of sea or ocean that is partially enclosed and is larger than a bay
Whats the answer to 1/5x=121 x=?
Round 681,542 to the nearest hundred thousand
Find the slope of the line described by each equation: 8x+2y=96
Find the slope of the line described by each equation: 8x+2y=96
a farm had 35 cows if the ratio of cows to horses was 7:3 what is the combined amount of cows and horses?
At summer camp the ratio of boys to girls was 7:2 If there were 21 boys how many girls were there?
What is 30,944 rounded to the nearest ten thousands
Rename the number 24 ten thousands