The function y = –5x^2 – 20x – 23 can be rewritten in vertex form as y = –5(x + 2)^2– 3.
The function opens ( up / down ). The vertex is a ( maximum / minimum ) at (,
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Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers