1. a model rocket is fired vertically into the air at 320 ft/s. the expression -16t^2+320t gives the rocket's height after t seconds. factor this expression

factor each expression or state if it cannot be factored.

1. 13q^4+2p^2

2. 14n^3+7n+7n^2

3.2b(b+3)+5(b+3)

4.4(x-3)-x(y+2)

5.7r^3-35r^2+6r-30

Asphere has a diameter of 10 in. what is the volume of the sphere?

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

Determine domain and range, largest open interval, and intervals which function is continuous.