Solve the problem. Write ratios in simplest form.Find the unit price for each option. Which is the better buy? 20-ounce bottle of pop for $1.60 40-ounce bottle of pop for $2.80
A. 20-ounce bottle: $0.92 per ounce; 40-ounce bottle: $1.07 per ounce. The 20-ounce is the better buy.
B. 20-ounce bottle: $0.08 per ounce; 40-ounce bottle: $0.07 per ounce. The 40-ounce is the better buy.
C. 20-ounce bottle: $0.07 per ounce; 40-ounce bottle: $0.08 per ounce. The 20-ounce is the better buy.
D. 20-ounce bottle: $0.20 per ounce; 40-ounce bottle: $0.07 per ounce. The 40-ounce is the better buy.
Answer: B
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Find the absolute extreme values of the function on the interval.F(x) = 
, -3 ? x ? 8
A. absolute maximum is 2 at x = 8; absolute minimum is 0 at x =0 B. absolute maximum is 2 at x = -8; absolute minimum is 0 at x =0 C. absolute maximum is 0 at x = 0; absolute minimum is 2 at x = 8 D. absolute maximum is 2 at x = 8; absolute minimum is -2 at x = -8
Solve the problem.Ohm's Law for electrical circuits is stated V = RI, where V is a constant voltage, R is the resistance in ohms and I is the current in amperes. Your firm has been asked to supply the resistors for a circuit in which V will be 10 volts and I is to be 
amperes. In what interval does R have to lie for I to be within 0.1 amps of the target value 
A. 
B. 
C. 
D. 
Sketch the surface z = f(x,y).f(x, y) = x2
A. 
B. 
C. 
D. 
Decide whether the statement is true or false.{4, 8, 12, 16} ? {4, 12} = {4, 8, 12, 16}
A. True B. False