Solve.The sum of two numbers is -7. Two times the first number equals 4 times the second number. Find the two numbers.
A. - 
and - 
B. -7 and 8
C. 
and 
D. -28 and -14
Answer: A
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Solve the problem.From a distance of 44 feet from the base of a building, the angle of elevation to the top of the building is 64°. Estimate the height of the building to the nearest foot.
A. 21 ft B. 90 ft C. 19 ft D. 40 ft
Solve the problem.Find the Taylor series at 0 for g(x) = cos x (while evaluating 
cannot be directly applied, other techniques can be used to show that the Taylor series at 0 for g(x) = cos x converges for all values of x).
A. 1 + 
+ 
+ ... + 
+ ...; -? < x < ?
B. -1 + 
- 
- ... + 
+ ...; -? < x < ?
C. -1 - 
- 
- ... - 
- ...; -? < x < ?
D. 1 - 
+ 
- ... + 
+ ...; -? < x < ?
Find all the factors of the natural number.28
A. 1, 2, 7, 14, 28 B. 1, 2, 4, 7, 8, 14, 28 C. 2, 7, 14, 28 D. 1, 2, 4, 7, 14, 28
Write the expression in standard form.5.033 × 104
A. 5033 B. 50,330 C. 503,300 D. 201.32