Graph the radical function. Compare the graph to that of the square root function or cube root function.g(x) = 2
A. It looks like the graph of the square root
function, but it is stretched by a factor of 2
and reflected over the x-axis.
B. It looks like the graph of the square root
function, but it is stretched by a factor of 2
and reflected over the x-axis.
C. It looks like the graph of the cube root
function, but it is stretched by a factor of 2.
D. It looks like the graph of the square root
function, but it is stretched by a factor of 2.
Answer: D
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Write the whole number in words.483
A. four thousand, eight hundred thirty B. four hundred thirty-eight C. four thousand, eighty-three D. four hundred eighty-three
Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(5, -3)}
B. {(0, 12)}
C. no solution; ?
D. infinitely many solutions; {
3x + y = 12} or {
9x + 3y = 36}
Solve the problem.Write an iterated triple integral in the order 
for the volume of the rectangular solid in the first octant bounded by the planes 
, 
, and 
.
A. 
B. 
C. 
D. 
Solve the problem.When going more than 38 miles per hour, the gas mileage of a certain car fits the model 
where x is the speed of the car in miles per hour and y is the miles per gallon of gasoline. Based on this model, at what speed will the car average 15 miles per gallon? (Round to nearest whole number.)
A. 73 mph B. 98 mph C. 149 mph D. 48 mph