Will medal, i got D. AM i right
The function for the cost of materials to make a biscuit is f(x) = four-fifths x + 4, where x is the number of biscuits. The function for the selling price of those biscuits is g(f(x)), where g(x) = 4x + 5. Find the selling price of 15 biscuits.

16

56

65

69

Question

Will medal, i got D. AM i right
The function for the cost of materials to make a biscuit is f(x) = four-fifths x + 4, where x is the number of biscuits. The function for the selling price of those biscuits is g(f(x)), where g(x) = 4x + 5. Find the selling price of 15 biscuits.

 16

 56

 65

 69

mathmale · Answer

Please show your work.  Then I'd be pleased to give you feedback on it.

aihberkhan · Answer

This image proves that you are correct!

@UnknownUser1907

aihberkhan · Answer

Hope this helped! Have a great day!

Also a medal would be much appreciated! Just click best response next to my answer. Thank You!

@UnknownUser1907