Check all of the numbers that are potential rational roots of f (x) = x4 - 2x3 + 5x2 - 7x + 9.

a ±1

b ±3

c ±9

d 1/3

e 1/9

f 9/2

Which equation can be used to solve for x in the following diagram? 2x+4x

Martha works in a toy shop and earns $44 per day. She earns an extra $2 for each toy she sells. If Martha wants to earn at least $80 per day, which inequality shows the minimum number of toys, n, that she should sell?

Simplify this expression: 13 + (-12) - (-5) = Solve this inequality: j/4 - 8 - 12 C. j

What is the inverse and domain of f (x) = x^2+4

Joseph runs 2/3 of a mile in 8 minutes. If joseph runs at that speed, how long will it yake him to run a mile?

4. Haniya bought 4 polka dot pencils that each cost 70. How much money did Haniya spend?

Joe bought 6 packages of envelopes, each package contains 125 envelopes. how many envelopes did he buy

If A and B are independent events, P (A and B) =

A row of plaques covers 120 square feet of space along a wall. If the plaques are 3 feet tall, what length of the wall do they cover?

Solve the inequality 4 (x+1) < 2x+3 Show steps