3. Substitute - for x in each equation and solve for y. Use your results to explain why y = x? – 5x is a function but x = y - 5y is not.

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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 .