Find an equation of the line that contains the points listed in the table.

A. y = x + 5
B. y = x + 10
C. y = x - 5
D. y = 5x


Answer: A

Mathematics

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Use a trigonometric substitution to evaluate the integral.

A. tan-1 7 - tan-1 
B. tan-1 3 - tan-1 7
C.  tan-1 7 -  tan-1 
D. tan-1  - tan-1 7

Mathematics

Find an equation of the line tangent to the given curve at the point (a, f(a)).  f(x) =  8e-4x , a = 0

A. y = 8x + 8 B. y = 4x - 8 C. y = -32x + 8 D. y = 32x - 8

Mathematics

In the circuit below, Vin = 7 V, R = 250 ê, xC = 1000 ê at fr, and C = 90 pF. Find fr and Q.


a. fr = 3.1 MHz, Q = 10
b. fr = 1.8 MHz, Q = 4
c. fr = 1.8 MHz, Q = 1.8
d. fr = 1.2 MHz, Q = 6
e. fr = 1.0 MHz, Q = 4

Mathematics

Solve the problem.The three squares stand for the numbers 4,6 and 8 in some order. Fill in the squares to make a true statement. -  + (3 +   )2 = 80

A. 4, 6, 8 B. 4, 8, 6 C. 8, 6, 4 D. 8, 4, 6

Mathematics