Write the word sentence as an equation. Then solve. The sum of a number y and -3 is –8.
Equation:
Solution: y =
24

The equation is: y + -3 = 8

And y = -5

Step-by-step explanation:

Sum means addition which means the sum of a number y and -3 is the same as y + -3. So, you would add the =8's to make it an equation.

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1