Is Y=x^2-2x-8 a function?

If f (x) = - 2x^2 + 2x - 3, what is f (5) ?

A cell phone company surveyed 200 random customers on whether they were satisfied with their phone service. They also noted which service plan each customer had.

Factor - 7x^3+21^2+3x-9

Find θ in degrees, minutes and second, given: sin θ = 0.9205

At bright minds learning, 75% of employees work as instructors. If there are 300 employees at bright mind Learning, how many of them work as instructors

A safe has a 4-digit lock code that does not include zero as a digit and no digit is repeated. What is The total number of outcomes is

a plant is already at 51 centimeters and it will grow one centimeter every month. let h be the plants height (in centimeters) after m months. write and equation relating h to m. Then use this equation to find the plants height after 24 months

What is the diffrence between 120 and 311

Equation don't has three time much money than his brother who has 25.

It was - 5 celsius in Copenhagen and - 12 celsius in Oslo. Which city was colder?