Use the quadratic formula to solve the quadratic equation.7k2 + 7k - 4 = 0
A. k = 
B. k = 
C. k = 
D. k = 
Answer: B
Mathematics
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Evaluate the integral by making a substitution and then using a table of integrals.
dx
A. (x + 3) tan-1 
- 
+ C
B. 
(x + 3) tan-1 
- 
+ C
C. 
(x + 2) sin-1 
- 
+ C
D. 
(2x + 3) sin-1 
+ 
+ C
Mathematics
Express the given function as a composite of functions f and g such that y = f(g(x)).y = 
+ 5
A. f(x) = 
, g(x) = 5
B. f(x) = x + 5, g(x) = 
C. f(x) = 
, g(x) = 
+ 5
D. f(x) = x, g(x) = 
+ 5
Mathematics
Find the common difference d and the nth term an of the arithmetic sequence with the specified terms. 3rd term is 19; 8th term is 44
A. d = 5; an = 5n + 9 B. d = 9; an = 9n + 5 C. d = 10; an = 10n + 14 D. d = 5; an = 5n + 4
Mathematics
Match the function to its graph.y = tan 
A. 
B. 
C. 
D. 
Mathematics