Find a value of k that will make f a probability density function on the indicated interval.f(x) = kx; [2, 4]
A. 
B. 
C. 
D. 
Answer: A
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Factor completely. If the polynomial cannot be factored, say it is prime.15x2 - 95x + 100
A. (3x - 4)(5x - 5) B. 5(3x + 4)(x + 5) C. 5(3x - 4)(x - 5) D. prime
Provide an appropriate response.The demand equation for a certain product is p = 400 - 2q, where p is the price per unit (in dollars) for q units. If its supply equation is p = q + 100, then the consumers' surplus when market equilibrium is established is
A. $9000. B. $9500. C. $10,000. D. $10,500. E. $11,000.
Factor the polynomial.9x2 - 6xt - 8t2
A. (9x + 2t)(x - 4t) B. (3x - 2t)(3x + 4t) C. (3x + 2t)(3x - 4t) D. prime
Find the indicated probability. A bag contains 15 balls numbered 1 through 15. What is the probability that a randomly selected ball has a number less than 20?
A. 1
B. 
C. 0
D. 