Solve the problem.An electrician charges a fee of $55 plus $40 per hour. Let y be the cost in dollars of using the electrician for x hours. Find the slope-intercept form of the equation.
A. y = 55x + 40
B. y = 40x - 55
C. y = 55x - 40
D. y = 40x + 55
Answer: D
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Use Bayes' rule to find the indicated probability.Quality Motors has three plants. Plant 1 produces 35% of the car output, plant 2 produces 20% and plant 3 produces the remaining 45%. One percent of the output of plant 1 is defective, 1.8% of the output of plant 2 is defective and 2% of the output of plant 3 is defective. The annual total production of Quality Motors is 1,000,000 cars. A car chosen at random from the annual output and is found defection. What is the probability that it came from plant 2?
A. 0.35 B. 0.559 C. 0.224 D. 0.217
Solve the problem.In an electrical circuit, let V represent the electromagnetic force in volts at t seconds. Assume 
. Find the smallest positive value of t where 
for 
.
A. 
sec
B. 
sec
C. 
sec
D. 0 sec
Find the indicated set.Let U = Universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {2, 4, 5, 6}, B = {1, 3, 5, 8} and C = {2, 5, 9}.Find 
.
A. {1, 2, 3, 4, 5, 6, 8, 9} B. {0, 7} C. {0, 7, 9} D. {0, 1, 2, 3, 4, 6, 7, 8, 9}
Find the derivative of the function.y = 
A. 
= 
B. 
= 
C. 
= 
D. 
= 