Decide what number must be added to the binomial to make a perfect square trinomial.x2 + 9x

A. 18
B.
C.
D. - 


Answer: B

Mathematics

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Solve the problem.Midtown Delivery Service delivers packages which cost  per package to deliver. The fixed cost to run the delivery truck is  per day. If the company charges  per package, how many packages must be delivered daily to break even (zero profit)?

A. 76 packages B. 14 packages C. 15 packages D. 23 packages

Mathematics

Determine whether the function exhibits linear or exponential growth. Find an algebraic expression representing the function. 

A. f(x) = 0.5x + 3 B. f(x) = 3(0.5)x C. f(x) = 3(2.5)x D. f(x) = -0.5x + 3

Mathematics

Determine the continuity of the function at the given points.f(x) =   at x = 3 and x = 2

A. The function f is continuous at neither  nor 
B. The function f is continuous at both  and 
C. The function f is continuous at  but not at 
D. The function f is continuous at  but not at 

Mathematics

Identify the x- and y-intercepts of the following.

A. (-4, -3) (3, -4) B. (-4, 0) (0, -3) C. (-3, 0) (0, -4) D. (-4, 0) No y-intercept

Mathematics