(Homework: Quadratic functions) Identify the coefficients and evaluate the following functions for x = -2; -1; 0; 1; 2:
a.) f (x) = 3x² + 5x-10
b.) y = 1-2r²
Help pls!!

Sandy works at a clothing store. she makes $7 per hour plus earns 15% commission on her sales. she worked 75 hours over the last two weeks and had a total of $2,566 in sales before taxes. which of the following is closest to how much she will earn in hourly wages and commission for those two weeks?

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Which graph represents an even function?