Evaluate the addition and subtraction problem.8.7 - |7.8| - |15.5|
A. -14.6
B. 32
C. 1
D. 16.4
Answer: A
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Solve the given applied problem.A rectangular area of 2,600 ft2 is to be fenced off along the bank of a river; no fence is required along the river. If the material for the fence costs $16 per running foot for the two ends and $15 per running foot for the side parallel to the river, what end length results in a cost of $2,380.
A. 52 ft B. 100 ft C. 50 ft D. 25 ft
Provide an appropriate response.f(x) = ax
The graph of an exponential function with base a is given. Sketch the graph of 
Give the domain and range of g.
What will be an ideal response?
Solve the problem.Which of the following trigonometric values are negative?I.sin(-292°)II.tan(-193°)III.cos(-207°)IV.cot 222°
A. III only B. II, III, and IV C. I and III D. II and III
Describe the natural domain of the function. f(x) = x2 + 4
A. {x|x ? -4}, or [-4, ?) B. {x|x ? -4}, or (-?, -4) ? (-4, ?) C. all real numbers, or (-?, ?) D. {x|x > -4}, or (-4, ?)