For f(x) = 4x+1 and g(x) = x^2-5, find (f-g)(x)

John can eat 10 cookies in 1/2 hr how many cookies can he eat in 45 minutes make a proportion and solve

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Precalculus question, image attached.