Afunction f (x)=-8x^2. what is f (-3)?

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.