Decide whether the relation defines a function.y2 = 4x
A. Function
B. Not a function
Answer: B
Mathematics
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Draw a sketch to represent each of the following vectors. Refer to the vectors pictured here.
c + d
A. 
B. 
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Mathematics
Evaluate the expression for the given values of the variables.x2 + 6x + 8 for x = 9
A. 71 B. 80 C. 143 D. 95
Mathematics
Find the requested sum of the arithmetic sequence.3, 2, 1, . . . , -37
A. -697 B. -34 C. -680 D. -31
Mathematics