Write the logarithmic equation in its equivalent exponential form.log7 
= 
A. 
8 = 
B. 
8 = 
C. 71/8 = 
D. 71/8 = 
Answer: C
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Solve the problem.Tom and Larry are food inspectors at a cookie making company. Tom tests every 20th batch of dough for fat percentage. Larry tests every 28th batch of dough for carbohydrate percentage. If they both start working at the same time, which batch will be the first that they both test?
A. 35 B. 70 C. 140 D. 280
Solve.How long will it take for $5600 to grow to $7400 at an interest rate of 6.9% if the interest is compounded continuously? Round the number of years to the nearest hundredth.
A. 403.93 yr B. 0.4 yr C. 0.40 yr D. 4.04 yr
Write a cost function for the problem. Assume that the relationship is linear.A moving firm charges a flat fee of $45 plus $40 per hour. Let C(x) be the cost in dollars of using the moving firm for x hours.
A. C(x) = 45x + 40 B. C(x) = 40x + 45 C. C(x) = 40x - 45 D. C(x) = 45x - 40
Multiply.(3y - 7)(9y2 + 21y + 49)
A. 27y3 - 343 B. 9y3 + 343 C. 27y3 + 147y2 - 343 D. 27y3 + 343