A function is defined by f(x) = 5(2-x). What is f(-1)?
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What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then