Solve the equation.7 ln 7x = 28
A. 
B. 
C. {e4}
D. 
Answer: D
Mathematics
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Solve the equation for the interval [0, 2?).sec2x - 2 = tan2x
A. No solution
B. 
C. 
D. 
Mathematics
Graph the equation by plotting points.y = 
x - 4
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.-43
A. -12 B. -64 C. 12 D. 64
Mathematics
Solve.The resistance of a wire varies directly as the length of the wire and inversely as the square of the diameter of the wire. A 20 foot length of wire with a diameter of 
has a resistance of 
What would the resistance be for a 
length, with diameter 
of the same kind of wire ?
A. 645 ohms B. 642.5 ohms C. 657 ohms D. 638 ohms
Mathematics