Find the limit of the function by using direct substitution.
(x3 + 5x2 - 7x + 1)
A. 15
B. 29
C. Does not exist
D. 0
Answer: A
Mathematics
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Provide an appropriate response.Mentally multiply by using powers of 10: 6 x 103
A. 6,000 B. 180 C. 60 D. 18,000
Mathematics
Solve the problem.Find the points where the graph of the function has horizontal tangents.f(x) = x3 - 21x
A. (-
, 42
), (0, 0), (
, -42
)
B. (-
, 14
), (
, -14
)
C. (-7, -196), (
, 196)
D. (
, -42
)
Mathematics
Solve the problem.A canoeist who took 6 hours to paddle 6 miles upstream was able to return to his starting spot in 45 minutes. What was the rate of the current?
A. 3.5 mph B. 4 mph C. 5 mph D. 4.5 mph
Mathematics
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.1 + 5 + 52 + ... + 5n - 1 = 
What will be an ideal response?
Mathematics