johna317 johna317
  • 01-02-2018
  • Mathematics
contestada

find(f+g)(x) if f(x)=3x+5 and g(x)= -2x^2-5x=3
A. (f+g(x)=-2x^2+8x+8
B. (f+g)(x)=-2x^2-2x+8
C. (f+g)(x)=-4x+8
D. (f+g)(x)=-2x+8

Respuesta :

anchitthawi
anchitthawi anchitthawi
  • 03-02-2018
(f+g)(x)=f(x)+g(x)= 3x+5 + (-2x^2-5x+3) = -2x^2 -2x+8 (B)
Answer Link

Otras preguntas

What do you mean by corrosion? How can you prevent it?
One way to show that a statement is NOT a good definition is to find a _____ converse.conditional.counterexample.biconditional.
At the school carnival, Carmen sold 3 times as many hot dogs as Shawn. The two of them sold 152 hot dogs altogether. How many hot dogs did Carmen sell? 51382111
Solve the system of equations.3x+3y+6z=33x+2y+6z=74x+4y+7z=4
What do you mean by corrosion? How can you prevent it?
A storage tank shaped Like a rectangular prism is being manufactured to hold 100,000 cubic feet of natural gas. It has a length of 10 feet and a width of 25 fee
Write this statement as a conditional in if-then form: All triangles have three sides. A) If a figure is a triangle, then all triangles have three sides.B) If a
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies both inequalities
factoring 12m^2n^2-8mn+1=
a person who studies word origins and meanings would most likely be a