Find all zeros of the function and write the polynomial as a product of linear factors.f(x) = x3 - x2 + 25x - 25
A. f(x) = (x - 1)(x + 5i)(x - 5i)
B. f(x) = (x - 1)(x + 5)(x - 5)
C. f(x) = (x - 25)(x + i)(x - i)
D. f(x) = (x - 1)(x + 1)(x + 25)
Answer: A
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Find the intervals on which the function is continuous.y = 
- 
A. discontinuous only when x = -8 or x = -4 B. discontinuous only when x = -12 C. discontinuous only when x = -4 D. continuous everywhere
Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Tire Corral has $6,000 available per month for advertising. Newspaper ads cost $100 each and can occur a maximum of 21 times per month. Radio ads cost $300 each and can occur a maximum of 28 times per month at this price. Each newspaper ad reaches 6,750 men over 20 years of age, and each radio ad reaches 8,500 of these men. The company wants to maximize the number of ad exposures to this group. How many of each ad should it purchase? What is the maximum possible number of exposures? Round your answers to the nearest whole number if necessary. ?
A. 21 newspaper ads and 28 radio ads for maximum exposure of 379,750 people B. 28 newspaper ads and 21 radio ads for maximum exposure of 367,500 people C. 13 newspaper ads and 21 radio ads for maximum exposure of 266,250 people D. 21 newspaper ads and 13 radio ads for maximum exposure of 252,250 people E. 20 newspaper ads and 15 radio ads for maximum exposure of 262,500 people
Perform the indicated operation. Write your result in a + bi form.(-8 + 2i)2
A. 68 - 32i B. 60 - 32i C. 60 + 32i D. 68 + 32i