Use the vertical line test to determine whether the relation is a function.
A. yes
B. no
Answer: A
Mathematics
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Find the formula for the function.Express the area of a circle as a function of its radius r.
A. A = 2?r B. A = ?r3 C. A = ?r2 D. A = ?r
Mathematics
Evaluate the integral.
A. 
x
+ x + C
B. 
x
+ x + C
C. 
x2+ x + C
D. 
x
+ 11x + C
Mathematics
Express the number in scientific notation.0.0000000155011
A. 1.55011 x 10-7 B. 1.55011 x 10-8 C. 1.55011 x 108 D. 1.55011 x 10-9
Mathematics
Simplify the expression.(x4)3
A. 3x4 B. 3x12 C. x7 D. x12
Mathematics