Write a chain rule formula for the following derivative.
for z = f(r, s); r = g(t), s = h(t)
A. 
= 
+ 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
Answer: A
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Solve the problem.The slope of the tangent line to the parabola x2 = 10y at a certain point on the parabola is 
. Find the coordinates of that point.
A. 
B. 
C. 4
, 800)
D. 
The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
10
-10
A. y1 = 5
, y2 = -5
B. y1 = 3
, y2 = -3
C. y1 = 5
, y2 = -5
D. y1 = 5
, y2 = -5
Solve the problem.A rock climber descends to the floor of a canyon in 9 stages, dropping 400 feet each time. Write the total depth of the canyon as a product of integers and find the depth of the canyon.
A. 9 ? (400) = 2600; 2600 feet deep B. 9 ? (400) = 360; 360 feet deep C. 9 ? (-400) = -2700; 2700 feet deep D. 9 ? (-400) = -3600; 3600 feet deep
Solve the equation. |x+19|=|4x+7|
What will be an ideal response?