Multiply.(7x - 5y)2
A. 7x2 - 70xy + 25y2
B. 49x2 - 70xy + 25y2
C. 49x2 + 25y2
D. 7x2 + 25y2
Answer: B
Mathematics
You might also like to view...
Factor completely.x2 + 3xy - 10y2
A. (x - y)(x + 2y) B. (x + 5y)(x - 2y) C. (x - 5y)(x + y) D. (x - 5y)(x + 2y)
Mathematics
Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = 
A. Yes B. No
Mathematics
Solve the problem.The volume of a sphere is increasing at a rate of 9 cm3/s. Find the rate of change of its surface area when its volume is 
cm3
A. 4.5 cm2/s
B. 
cm2/s
C. 3 cm2/s
D. 
cm2/s
Mathematics
Use the definite integral to find the area between the x-axis and f(x) over the indicated interval.f(x) = x-1/2; [1, 4]
A. 
B. 
C. 4
D. 2
Mathematics