If a = − 65 and b = 8, the product of a x b models which rule for multiplying integers? what is the product? a) (+)(+) = +; the product is 520. b) (−)(−) = +; the product is 520. c) (+)(−) = −; the product is −520. d) −(−)(+) = −; the product is −520.

Given the parent function of [tex]f(x)=x^4[/tex], what change will occur when the function is changed to [tex]f(\frac{1}{2} x)[/tex]?

X-intercept=-5 y-intercept=2 the equation of the line is

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?