Find the nonreal complex solutions of the equation.x2 + x + 8 = 0
A. 
B. 
C. 
D. 
Answer: D
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Find R2 if RT = 91 Kê and R1 = 47 Kê.
a. 138 Kê
b. 94 Kê
c. 64 Kê
d. 54 Kê
e. 44 Kê
Solve.The intensity of a certain noise is 7.66 × 10-10 W/cm2. How loud, in decibels, is this sound level? Use the formula D = 10 log (I/I0), where I0 = 10-16 W/cm2. (Round to the nearest decibel.)
A. 80 decibels B. -3 decibels C. 95 decibels D. 69 decibels
Sketch the graph of the function and its inverse on the same coordinate axes.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.A truck rental company rents a moving truck one day by charging $39 plus $0.07 per mile. Write a linear equation that relates the cost C, in dollars, of renting the truck to the number x of miles driven. What is the cost of renting the truck if the truck is driven 200 miles?
A. C(x) = 0.07x + 39; $40.40 B. C(x) = 0.07x + 39; $53.00 C. C(x) = 0.07x - 39; -$25.00 D. C(x) = 39x + 0.07; $7800.07