Answer:
-4x^3 + 9x^2+35x -45
Step-by-step explanation:
The notation (f*g)(x) actually just means f(x)*g(x)
We just substitute what f(x) is and what g (x) is
(4x-9) * (-x^2 - 3x + 5 )
4x * -x^2 = -4x^3
4x * -3x = -12x
4x*5 = 20x
-4x^3 + -12x+20x
and
-9 * -x^2 = 9x^2
-9*-3x = 27x
-9*5 = -45
-4x^3 + -12x+20x + 9x^2 + 27x +-45
Now to put this in standard form, we have to order it with the terms with the highest exponents to the ones with the lowest exponents
-4x^3 + 9x^2 -12x+20x+27x -45
-12x+20x+27x
-12x+47x
35x
-4x^3 + 9x^2+35x -45
-45 goes last because it is equal to -45x^0
A) 62 -2t < 40 . . . . . t is time in hours
c) 6+3n ≤ 96 . . . . . . n represents the number
e) 4 +2W < 62 . . . . . . W represents the width of the rectangle
f) 3.50 +0.15p ≤ 5.00 . . . . . p is the number of pencils Miranda buys
Answer:
455
Step-by-step explanation:
(1/2(10)(70))13
Answer:
each student gets 11 pencils
Step-by-step explanation: I searched it up
Answer: 2.5 then 100.5
Step-by-step explanation:
