Find an equation for the line, in the indicated form, with the given properties. Containing the points (7, 0) and (-7, 3); general form
A. 3x + 14y = 21
B. -3x + 14y = 21
C. 7x - 10y = 19
D. -7x + 10y = 19
Answer: A
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46000mcg = ? mg
A. 0.046mg B. 460mg C. 46mg D. cannot be converted
Factor completely.x2 - x - 30
A. Prime B. (x + 6)(x - 5) C. (x + 1)(x - 30) D. (x + 5)(x - 6)
Multiply:
Solve the problem.A company begins an advertising campaign in a certain city to market a new product. The percentage of the target market that buys the product is a function of the length of the advertising campaign. The company estimates this percentage as 1 - e-0.03t where t = number of days of the campaign. The target market is estimated to be 1,000,000 people and the price per unit is $0.40. The cost of advertising is $3000 per day. Find the length of the advertising campaign that will result in the maximum profit.
A. 58 days B. 39 days C. 42 days D. 46 days