Find the x-intercepts of the function.h(x) = x2 + 4x - 20
A. (-2 - 2
, 0), (-2 + 2
, 0)
B. (-2
, 0), (2
, 0)
C. (2
- 2, 0), (2
+ 2, 0)
D. (-2 - 2
, 0), (-2 + 2
, 0)
Answer: D
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Evaluate the iterated integral.
A. - 2145 B. - 975 C. - 195 D. - 2535
Factor completely.150x2 + 420xy + 294y2
A. 6(5x - 7y)(5x + 7y) B. 6(5x + 7y)2 C. (30x + 42y)(5x + 7y) D. 6(25x2 + 70xy + 49y)
Let A and B be sets with cardinal numbers, n(A) = a and n(B) = b, respectively. Decide whether the statement is true or false.(B ? A) ? B
A. True B. False
Solve.The formula for the area of a square is A = s2 where s is the length of a side. Use this formula to find the length of a side of a building which has a square base with an area of 280 square meters. Give your answer in exact form and as a decimal rounded to the nearest hundredth of a meter.
A. 70
? 98.99 m
B. 4
? 33.47 m
C. 78,400 m
D. 2
? 16.73 m