Find the largest open intervals where the function is concave upward.f(x) = 
(exact values)
A. (-?, -1), (-1, ?)
B. None
C. (-?, -1)
D. (
, ?)
Answer: D
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Find the slope of the line tangent to the graph of the function at the given value of x.y = x4 + 2x3 - 2x + 2; x = -1
A. 0 B. -7 C. 2 D. -5
Solve.Amy teaches Chinese lessons for $95 per student for a 6-week session. From one group of students, she collects $2,850. How many students are in the group?
A. 32 students B. 34 students C. 30 students D. 20 students
Find the horizontal and vertical asymptotes of the graph.
?
?
A. Horizontal asymptote is 
, vertical asymptote is 
B. Horizontal asymptote is , vertical asymptote is 
C. Horizontal asymptote is 
, vertical asymptote is 
D. Horizontal asymptote is , vertical asymptote is 
E. Horizontal asymptote is 
, vertical asymptote is
Convert to a logarithmic equation.100.4771 = 3
A. 3 = log 0.4771 B. 0.4771 = log 10 C. 0.4771 = log 9 10 D. 0.4771 = log 3