Find the partial derivative.Let z = f(x,y) = 7x2 - 18xy + 8y3. Find 
.
A. 14x2 - 18x
B. 14x - 18y + 24y2
C. 14x - 18y
D. -18x + 24y2
Answer: C
You might also like to view...
Find the area of the specified region.Shared by the cardioids r = 5(1 + sin ?) and r = 5(1 - sin ?)
A. 1625
B. 
(3? - 8)
C. 
(3? + 8)
D. 
(5? + 8)
Subtract the polynomials. Express your answer in standard form.
- 
A. 
y2 + 
+ 7
B. 
y2 - 
y + 3
C. 
y2 - 
+ 7
D. 1y2 - 
y + 3
Use grouping to factor the polynomial.x3 + 4x2 + 5x + 20
A. (x2 + 5)(x + 4x) B. (x2 + 5)(x - 4) C. (x2 + 5)(x + 4) D. (x3 + 5)(x + 4)
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How tall is the skyscraper?3 feet
A. Unreasonable, should be 30 feet B. Unreasonable, should be 300 feet C. Reasonable D. Unreasonable, should be 0.30 feet