Simplify. Assume that variables represent positive values.
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.Let the number of gallons G of water drained from a pool after t hours be given by 
for 
(i) Find G(t + h). (ii) Find the difference quotient. Interpret your result.
A. (i) 4375 - 175t + h (ii) 1; the pool is being emptied at a constant rate of 1 gal/hr. B. (i) 4375 - 175t + 175h (ii) -175; the pool is being emptied at a constant rate of 175 gal/hr. C. (i) 4375 - 175t - 175h (ii) -175; the pool is being emptied at a constant rate of 175 gal/hr. D. (i) 4375 - 175t + 175h (ii) 175; the pool is being emptied at a constant rate of 175 gal/hr.
Use the given zero to find the remaining zeros of the function.f(x) = x3 + 6x2 - 14x + 16; zero: 1 + i
A. 1 - i, 8 B. 1 - i, -8 C. 1 - i, 8i D. -8, 8
Factor out the negative of the greatest common factor. Assume any variable exponents represent whole numbers.-2x2 - 14x + 10
A. 2(x2 - 7x + 5) B. -2(x2 - 7x + 5) C. -2(x2 + 7x - 5) D. -2x(x2 + 7x - 5)
Determine whether the given number is a solution of the equation.4(x + 5) = 9x - 20; -5
A. solution B. not a solution