Graph the function.If K square units is the area of a right triangle, 7.8 units is the length of the hypotenuse, and x is the radian measure of an acute angle, then 
. Sketch the portion of the graph which is appropriate to the application.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.A company purchases a piece of equipment for A dollars, and the equipment depreciates at a rate of r each year. Its value V after n years is given by 
Expand this expression for n = 4.
A. V = A(1 + 4r + 12r2 + 24r3 + r4) B. V = A(1 - 4r + 12r2 - 24r3 + r4) C. V = A(1 - 4r + 6r2 - 4r3 + r4) D. V = A(1 + 4r + 6r2 + 4r3 + r4)
Mathematics
Find the greatest common divisor of the numbers.26 and 39
A. 78 B. 39 C. 13 D. 26
Mathematics
Divide.
A. 
+ i
B. - 
- i
C. - 
+ i
D. 
- i
Mathematics
Write as logarithmic equations.8x = 207
A. log8207 = x B. log2078 = x C. log8x = 207 D. log207x = 8
Mathematics