Find the indicated limit, if it exists.
f(x), f(x) = 
A. -12
B. -8
C. -4
D. The limit does not exist.
Answer: D
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Solve the problem.The position of a weight attached to a spring is s(t) = -7 cos 8?t inches after t seconds. What is the maximum height that the weight reaches above the equilibrium position and when does it first reach the maximum height?
A. The maximum height of 14 inches is first reached after 2 seconds. B. The maximum height of 14 inches is first reached after 4 seconds. C. The maximum height of 7 inches is first reached after 0.13 seconds. D. The maximum height of 7 inches is first reached after 4 seconds.
If possible, write a statement that can be deduced from the following statement. If impossible, write “no deduction possible.” If a triangle has two congruent angles, then it is an isosceles triangle. ?A in ?ABC is 45°.
What will be an ideal response?
Arrange the numbers from smallest to largest.-
, 
, 
, 3.4, 
A. -
, 
, 
, 3.4, 
B. -
, 
, 
, 3.4, 
C. 
, 
, -
, 3.4, 
D. 
, -
, 
, 3.4, 
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. inconsistent B. x = -5, y = 2; (-5, 2) C. x = -5, y = -2; (-5, -2) D. x = 2, y = -5; (2, -5)