Use the graph to determine the x- and y-intercepts.
A. x-intercept: 1; y-intercept: 3
B. x-intercept: -3; y-intercepts: 1, 3
C. x-intercepts: -3, 1; y-intercept: 3
D. x-intercept: 3; y-intercepts: -3, 1
Answer: C
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Perform the indicated conversion between American and metric units of length.19 kilometers to miles (Round to the nearest tenth.)
A. 20.1 B. 18.0 C. 30.6 D. 11.8
Solve the problem.The polynomial function gives the approximate alcohol level (in tenths of a percent) in a person's blood x hours after drinking about 8 ounces of 100-proof whiskey. What would the person's alcohol level be 6 hours after drinking? Give answer as a percent.
A. 2.04% B. 0.204% C. 2.16% D. 0.216%
Use the vertical line test to determine whether or not the graph is a graph in which y is a function of x.
A. function B. not a function
Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.
A. -4x B. 4x C. 16x D. 4x2