Multiply. Assume that all variables represent nonnegative real numbers.
A. 
- 14
B. 
- 7
+ 2
- 14
C. 
- 5
- 14
D. -4
- 14
Answer: B
Mathematics
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Solve using the quadratic formula.x2 + 4x - 77 = 0
A. 11, 7 B. 11, -7 C. -11, 7 D. -11, 1
Mathematics
The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local maximum. What are the local maxima?
A. f has a local maximum at x = 0; the local maximum is 1 B. f has a local maximum at x = -? and ?; the local maximum is -1 C. f has no local maximum D. f has a local maximum at -?; the local maximum is 1
Mathematics
Find the angle between v and w. Round your answer to one decimal place, if necessary.v = -4i,
w = j
A. 0° B. 90° C. 180° D. 270°
Mathematics
Solve the problem.Let f(x) = 
+ 18 and g(x) = 9
. Find all x such that f(x) = g(x).
A. 
, 
B. 6, 3
C. - 
, - 
D. 
, 
Mathematics