Function for f(x) = 1/x^2 - 3 find: a) f(3) and b) f(2 + h). (i need with both choices)

Write the sentence as an equation. z plus 372 is equal to 160

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?