If f(x)=2x^2-1 and g(x)= -5x , write a function rule representing the result of each function operation.

1 answer:

7 0

A.) (fg)(x) = (2x^2 - 1)(-5x) = -10x^3 + 5x

b.) (g of f)(x) = g(f(x)) = -5(2x^2 - 1) = -10x^2 + 5

You might be interested in

Justin has $7.50 more than Eva, and Emma has $12 less than Justin. Together, they have a total of $63.00. How much money does ea

uysha [10]

Answer:

Step-by-step explanation: emma's amount be X . justin has $7.50+x because he has $7.50 more than emma.Since emma has 7.50+x-$12.to get everyones amount add what they have together which is=$7.50+x+$7.50+x-12 which in total is $63.00.after the calculations you get x=30.now distribute the x equally. so justin has $7.50+30=37.50.we also distribute it with emma's which is 7.50+30-12=25.5.

justin=$37.50

Emma=$25.50

to be sure add 37.50+25.50=$63

5 0

3 years ago

10lb bag of potatoes or $5.50 or 15lb bag of potatoes for $8.40 which is a better deal

Jobisdone [24]

15lbs is a better deal

6 0

3 years ago

Which expression is equivalent to (81x4y16)12 for all positive values of x and y? 40.5x4y16

IrinaVladis [17]