Find the domain of the function.f(x) = 
A. all real numbers, or (-?,?)
B. 
, or
C. 
, or 
? 
D. 
, or 
Answer: A
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Use "intersect" on a graphing calculator to solve the equation. Round the solution(s) to the second decimal place.
+ 1 = 3x - 7
A. 2.53 B. 3.27 C. 0.59 D. 2.81
Use the fact that the given triangles are similar to find the value of x.
A. 32 B. 50 C. 40 D. 38
Solve the problem. Round to the nearest dollar.SLM Instruments bought a metal punch machine at a cost of $8000. The expected life is 7000 hours of production with a salvage value of $800. Find the book value at the end of the third year. Use the units-of-production method of depreciation given the following production schedule.Year 11560 hoursYear 21740 hoursYear 31690 hours
A. $2860 B. $2060 C. $5139.70 D. $2297
Factor out the GCF from the polynomial.60x + 15
A. 5(12x + 3) B. 15(4x + 1) C. 15(4x) D. 3(20x + 5)