Me !
function, yes or no? explain !

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)