Solve the problem.The price p (in dollars) and the quantity x sold of a certain product obey the demand equation x = -10p + 280, 0 ? p ? 28.What quantity x maximizes revenue? What is the maximum revenue?
A. 70; $1,470
B. 210; $1,470
C. 280; $1,960
D. 140; $1,960
Answer: D
You might also like to view...
Find the gradient field of the function.f(x, y, z) = (x7y2 - y6z3)e-z2
A. ?f = 7x6y2e-z2i + (2x7y - 6y5z3)e-z2j + y2ze- z2[y4z(2z2 - 3) - 2x7]k B. ?f = 7x6i + (6y5 - 2y)j + 2z4e-z2k C. ?f = 7x6y2e-z2i + (2x7y - 6y5z3)e-z2j + (3 - 2z2)y6z2e-z2k D. ?f = 7x6y2i + (6y5z3 - 2x7y)j + (2z2 - 3)y6z2k
Solve the logarithmic equation.log25x = 
A. 5 B. 33,554,432 C. 625 D. 0.00000003
The amount A of money on deposit for t years in an account earning simple interest is a linear function of t. Express that function as an equation if src="https://sciemce.com/media/3/ppg__cognero__2.1_Functions_and_Function_Notation__media__056bd241-9983-4839-834b-4e68f17e5e09.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_5c6869e672c245bd9b9e6c04a" /> when 
when 
and 
.
?
A. 
B. ?
C. ?
D. ?
E. 
Change the given form into the decimal form.
?
??
A. 
B. 
C. 
D. 
E. 