Find the domain of the function.f(x) = ln (9x - x2)

A. 0 < x < 9
B. -9 ? x < 0
C. -9 < x < 9
D. x ? 9


Answer: A

Mathematics

You might also like to view...

Find the average value of    over the given region.  over the cube in the first octant bounded by the coordinate planes and the planes 

A. 15 B. 450 C. 90 D. 75

Mathematics

Change the given quantity to the indicated unit.108 in. =  ft

A. 36 B. 324 C. 9 D. 0.75

Mathematics

First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Julian's grocery bill was $9.32. He gave the clerk a $20 bill. How much change should he receive?

A. Estimate: $11; exact: $10.67 B. Estimate: $11; exact: $9.68 C. Estimate: $11; exact: $10.68 D. Estimate: $9; exact: $9.32

Mathematics

Solve the problem.Matt bought 3 pounds of oranges and 2 pounds of apples and paid  before tax. Andy bought 4 pounds of oranges and 3 pounds of apples and paid  before tax. Use this information to set up a matrix equation of the form AX = B , which can be solved to determine the price per pound for oranges and apples. Solve this matrix equation to find the price per pound of oranges.Use the fact that for   

src="https://sciemce.com/media/4/ppg__file0518192205__f1q72g4.jpg" alt="" style="vertical-align: -15.0px;" /> A. $0.74 per pound B. $0.76 per pound C. $0.79 per pound D. $0.72 per pound

Mathematics