What is the value of the function at x = 2?

2x²-1 what is the evaluation algebraic expression

The sum of three consecutive integers is 393. Find the integers.

A wedding planner uses 72 ivy stems for 18 centerpieces. When she arrives at the venue, she realizes she will only need 16 centerpieces. How many ivy stems should she use so that the ratio of ivy stems to centerpieces stays the same?

How do you solve 594 divided by 3

I have the problem solved but I dont know how they got it. An equation for the line tangent to y = - 5-9x^2 at (2,-41).

Terrance trains at a rate of 6 miles every half hour and Jesse trains at a rate of 2 miles every 15 minutes

Find the magnitude of the vector from the origin to (8. - 6) and write the vector as the sum of unit vectors. 1. 12, 87 + 67 c. 12. 87-67

Evaluate the following expression b=3 c=-3 (b-c) (c+2)

Can 5x-4+9 be simplified

Each set of ordered pairs represents a function. Write a rule that represents the function (0, 1) (1,3) (2,9) (3,27) (4,81)