Answer the question about the given function.Given the function f(x) = -2x2 - 4x + 7, is the point (-1, 9) on the graph of f?
A. Yes
B. No
Answer: A
Mathematics
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Find the range of the given function.f(x) = -2x2 + 3x + 9
A. 
B. 
C. 
D. 
Mathematics
Find the product.(-10)(-20)
A. 220 B. 210 C. 200 D. -210
Mathematics
Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. If the force of attraction is 
when the masses are 
apart, what is the attraction when the masses are 
apart?
A. 4 lb B. 1 lb C. 2 lb D. 3 lb
Mathematics
Find the area of the rectangle.
5 mi
A. 28 sq mi B. 25 sq mi C. 20 sq mi D. 21 sq mi
Mathematics