Find the given value.Find (f - g)(-4) when f(x) = -2x2 - 3 and g(x) = x + 7.
A. -46
B. 39
C. -24
D. -38
Answer: D
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Provide an appropriate response.Add: 395 + 76 + 6,375 + 5
A. 11,846 B. 22,925 C. 5,825 D. 6,851 E. none of the above
Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
2
A. 
B. 
C. 
D. 
Strontium 90, a radioactive isotope of strontium, is present in the fallout resulting from nuclear explosions. It is especially hazardous to animal life, including humans, because, upon ingestion of contaminated food, it is absorbed into the bone structure. Its half-life is 27 years. If the amount of strontium 90 in a certain area is found to be eight times the "safe" level, find how much time must elapse before an "acceptable level" is reached. ? __________ years
Fill in the blank(s) with the appropriate word(s).
Sketch the graph of the function. Describe how the graph can be obtained from the graph of a basic logarithmic function.f(x) = ln(x - 2)
A. Shift y = ln x right 2 units
B. Shift y = ln x right 2 units
C. Shift y = ln x left 2 units
D. Shift y = ln x left 2 units