Determine whether the curve represents a graph of a function.
 figure 1.png)
(a) Function; the graph passes the horizontal line test.
(b) Function; the graph passes the vertical line test.
(c) Not a function; the graph passes the vertical line test
(d) Not a function; the graph passes the horizontal line test
(e) none
(b) Function; the graph passes the vertical line test.
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Decide whether the statement is true or false.If the numerator and the denominator of a fraction are different prime numbers, then the fraction is always in lowest terms.
A. False B. True
Solve the special system by substitution. If the system is dependent, write the solution using set-builder notation with the common line expressed in slope-intercept form.
A. ?
B. 
C. 
D. (-12, 0)
Solve the problem.Pennies are packaged 50 in a roll. A mother gave her son 95 pennies for his bank and had 5 pennies left over. How many rolls of pennies did she use?
A. 3 rolls B. 2 rolls C. 4 rolls D. 5 rolls
Calculate the surface area of the given surface.The surface f(x,y) = x2 + y2, -1 ? x, y ? 2. (Hint: Do the first integral by substitution or using a formula from the Table of Integrals. Use numerical integration to do the outer integral.)
A. 35.5222 B. 18.4734 C. 25.3332 D. 29.3516