Determine if the graph is symmetric with respect to the x-axis, y-axis, or origin.
A. x-axis
B. x-axis, origin
C. y-axis
D. Origin
Answer: D
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Solve the problem.Suppose that R ={(x, y): 0 ? x ? 4, 0 ? y ? 4}, and P is the partition of R into four equal squares by the lines x =2 and y = 2. approximate
by calculatiang the Riemann sum
, assuming that
are the centers of the four squares.
A. 96 B. 48 C. 384 D. 192
Solve the problem.Cesaratto's Appliance and Auto Center is having a sale. Find the missing information for the items that were purchased. Round to the nearest cent.Price of TV:$249.61Sales tax rate:7%Sales tax:
A. $17.47 B. $19.97 C. $43.68 D. $14.98
Write as a percent. Round to the nearest tenth of a percent.
A. 178.6% B. 140% C. 17.9% D. 127.6%
Multiply.
A. 121 - z -
z2
B. 121 + z -
z2
C. 121 - z2
D. 121 - z2