Provide an appropriate response.If z = 2x2y + 3xy + y2 where x = r2 + 2rs and y = 2r - 4s, then by means of the chain rule, (a) find 
; 
What will be an ideal response?
| (a) | (4xy + 3y)(2r) + (2x2 + 3x + 2y)(-4); | (b) | -8 |
Mathematics
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Find a polar equation in the form r cos(? - ?0) = r0 for the given line.x = -4
A. r cos 
= 4
B. r cos 
= 4
C. r cos ? = 4
D. r cos 
= 4
Mathematics
Solve the problem.The sum of the squares of the digits of a positive two-digit number is 61, and the tens digit is 1 more than the units digit. Find the number.
A. 65 B. 54 C. 45 D. 56
Mathematics
Evaluate as requested.A graph of a function g is shown below. Find g(0).
A. -2 B. 2 C. 1 D. -1
Mathematics
Evaluate as requested.Given that g(x) = 
, find g(-11.25).
A. 
B. 1
C. 
D. - 
Mathematics