Find the limit, if it exists.
?
?
A. - 23
B. - 24
C. - 21
D. - 30
E. The limit does not exist
Answer: C
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Factor completely.169s2 - 25t4
A. (13s + 5t2)(13s - 5t2) B. (13s + 5t2)2 C. (169s + t2)(s - 25t2) D. (13s - 5t2)2
Divide the real numbers. Write any improper fraction as a whole or mixed number where appropriate.63 ÷ (-9)
A. 8 B. -8 C. -7 D. 7
In the circuit below, Vin = 7 V, R = 250 ê, xC = 1000 ê, and C = 90 pF. What are the values of VO and I at f1?
a. VO = 4.95 V, I = 19.8 mA
b. VO = 6.21 V, I = 19.8 mA
c. VO = 7.00 V, I = 19.8 mA
d. VO = 5.55 V, I = 22.2 mA
e. VO = 7.00 V, I = 28.0 mA
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB =
Tuition for Student 1 is $1210, tuition for Student 2 is $1273, and tuition for Student 3 is $832.
B.
AB = 
College A costs $937 and College B costs $1140.
C.
AB = 
College A costs $892 and College B costs $1026.
D.
AB = 
Tuition for Student 1 is $1200, tuition for Student 2 is $1243, and tuition for Student 3 is $827.