Grapes cost $2.25 per pound. Which equation best represents y, the total cost of x pounds of grapes?

Which of the following is true for the relation f(x)=2x^2+1

Select the sequences that are geometric.

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 .