Use the quadratic formula to solve the equation. Simplify any radicals.3k2 - 11k - 4 = 0
A. {-3, 4}
B. 
C. 
D. 
Answer: C
Mathematics
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Find the length of the curve.x = 
+ 
from y = 1 to y = 2
A. 
B. 2
C. 
D. 
Mathematics
What is f2 in the circuit below when R1 = 1 Kê, R2 = 4 Kê, C1 = 0.1 æF, C2 = 700 pF, and E = 20 V?
a. 390 KHz
b. 284 KHz
c. 169 KHz
d. 71 KHz
e. 57 KHz
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 minimum. What are the local minima?
A. f has a local minimum at x = 0; the local minimum is 1 B. f has a local minimum at x = -?; the local minimum is -1 C. f has no local minimum D. f has a local minimum at x = -? and ?; the local minimum is -1
Mathematics