Multiply mentally.8 × 50 × 10
A. 4500
B. 580
C. 3500
D. 4000
Answer: D
Mathematics
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Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
1/f2(x), x = 4
A. - 
B. - 
C. 
D. - 
Mathematics
Answer the question.What does the digit 4 mean in the number 301,475?
A. 4 hundred thousands B. 4 thousands C. 4 hundreds D. 4 tens
Mathematics
Solve the problem.A certain radioactive isotope decays at a rate of 0.25% annually. Determine the half-life of this isotope, to the nearest year.
A. 200 years B. 277 years C. 3 years D. 120 years
Mathematics
Solve the quadratic inequality. Graph the solution.s2 - 2s - 15 < 0
A. (-3, 5)
B. (5, ?)
C. (-?, -3) ? (5, ?)
D. (-?, -3)
Mathematics