Find an equation for the line, in the indicated form, with the given properties. Containing the points (9, -7) and (0, -2); general form
A. 16x + 2y = -4
B. -5x + 9y = -18
C. 5x + 9y = -18
D. -16x - 2y = -4
Answer: C
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Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 9
A. 
= - 
; 
= - 
B. 
= - 
; 
= - 
C. 
= - 
; 
= - 
D. 
= 
; 
= 
State whether the graph is the graph of a function. Give the domain and range.
A. A function; Domain: all real numbers or (-?, ?); Range: {y|y ? -1} or [-1, ?) B. Not a function; Domain: {x|x ? -1} or [-1, ?); Range: all real numbers or (-?, ?)
Solve the problem.The symmetry type of an isosceles, nonequilateral triangle is
A. D2. B. Z3. C. Z2. D. D1. E. none of these
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which two hour period did the temperature increase the most?
A. 12 p.m. to 2 p.m. B. 9 a.m. to 11 a.m. C. 10 a.m. to 11 a.m. D. 10 a.m. to 12 p.m.