Solve. If necessary, round the answer to two decimal places.log (15) + log (x) = 0
A. 
B. 15
C. 0
D. 
Answer: D
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Solve the problem. Round to the nearest cent or tenth of a percent.Markup = $29.17; selling price = $142.67. Find the cost and the rate of markup based on the selling price.
A. Cost = $113.50 Rate of markup based on selling price = 25.7% B. Cost = $171.84 Rate of markup based on selling price = 20.4% C. Cost = $113.50 Rate of markup based on selling price = 20.4% D. Cost = $171.84 Rate of markup based on selling price = 25.7%
Evaluate the function for the given values of a and b. Then use the intermediate value theorem to determine which of the statements below is true.a = 1, b = 2f(x) = x4 - 7x3 + 12x2 + 11x + 19
A. f(1) and f(2) have the same sign, therefore the intermediate value theorem cannot be used to determine whether f has a real zero between 1 and 2. B. f(1) and f(2) have the same sign, therefore f does not have a real zero between 1 and 2. C. f(1) and f(2) have opposite signs, therefore f has a real zero between 1 and 2. D. f(1) and f(2) have opposite signs, therefore f does not have a real zero between 1 and 2.
Simplify. Assume that all variables and radicands represent nonnegative values.
A. 6x2 
B. 7
C. 7x
D. 294x
Divide.
÷ 
A. 
B. x + 6
C. 
D. 