Re-posting: Help please-math Anyone understand what to do and how to do it?

Find g(x), where g(x) is the reflection across the x-axis of f(x)=x^2.

Write your answer in the form a(x–h)2+k, where a, h, and k are integers.
g(x)=

No links, flies ,websites or anything similar to that please.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.