Solve the system by graphing. If there isn't a unique solution to the system, state the reason. 3x + y = -4 5x + 3y = -4
A. (2, 2)
B. (-1, -1)
C. (-2, -3)
D. (-2, 2)
Answer: D
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For the graph of a circular function y = f(x), determine whether f(-x) = f(x) or f(-x) = -f(x) is true.
A. f(-x) = f(x) B. f(-x) = -f(x)
Choose the equation that matches the graph.
A. 
- 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Solve. Remember to insert units in your answer.Sara wants to consume no more than 9.1 g of saturated fat with her breakfast. If her tea with milk contains 206 mg of saturated fat, how much more saturated fat can she have with her breakfast?
A. 88.94 mg B. 7.04 g C. 8.894 g D. 8894 g
Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.2x + 8y + 4z = -16x + 4y + 2z = 8x + y + z = -2
A. Cramer's rule does not apply since D = 0; {(2z-1, z + 2, z)} B. Cramer's rule does not apply since D = 0; ? C. {(4, 3, -2)} D. {(-2, 4, 3)}