Find 
and 
.f(x, y) = 
A. 
= 
; 
= 
B. 
= - 
; 
= - 
C. 
= 
; 
= - 
D. 
= 
; 
= - 
Answer: D
You might also like to view...
Solve the problem relating to the Fibonacci sequence.If an 8-inch wide rectangle is to approach the golden ratio, what should its length be?
A. 10 in B. 12 in C. 13 in D. 5 in
Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. x + 2y = 58x + 3y = 40
A.
| (6, 5); consistent and independent |
B. (6, -1); consistent and independent
C. (5, 0); consistent and independent
D. inconsistent
Show that f and g are inverses of each other by verifying that f(g(x)) = x = g(f(x)).
; 
What will be an ideal response?
Solve the problem.An explosion causes debris to rise vertically with an initial velocity of 7 feet per second. The function 
describes the height of the debris above the ground, s(t), in feet, t seconds after the explosion. What is the instantaneous velocity of the debris when it hits the ground?
A. 112 feet per second B. -224 feet per second C. -112 feet per second D. 224 feet per second