Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.(y, 0) and (0, a)
A. 
B. y2 + a2
C. 
D. 
Answer: C
Mathematics
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Use the limit definition of the partial derivative to compute the indicated partial derivative of the function at the specified point.Find 
at the point (8, 7, -2): f(x, y, z) = 9x2y + 4y2 + 4z
What will be an ideal response?
Mathematics
Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.ln x + ln (x + 4) = 1
A. 
? 2.326
B. 
? 0.592
C. 
? -4.592
D. -4 + 
? 1.184
Mathematics
Perform the indicated operations.|-15 + 13| - 9 + 2
A. -5 B. 21 C. -9 D. 9
Mathematics
Use identities to find the exact value of the trigonometric function.Find sin ? if tan ? = - 
and - 
< ? < 0.
A. - 
B. - 
C. - 
D. 
Mathematics