Provide an appropriate response.2x + 3y = 14x + 2y = 5What number would you multiply the top equation by to eliminate the x terms?
Fill in the blank(s) with the appropriate word(s).
-2
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Find the derivative of the function at the point p in the direction of a.f(x, y) = xy2, p = (2, 3), a = 4i + 3j
A. 15
B. 
C. 
D. 
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = 2x + 4, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
Provide an appropriate response.Peter took one hour longer to drive 210 miles than he did on a trip of 175 miles. If his rate was the same for both trips, how long did each trip take?
Fill in the blank(s) with the appropriate word(s).
Find u ? v, where ? is the angle between the vectors u and v. Round the answer to the nearest tenth.
= 6, 
= 9, ? = 
A. 46.8 B. 62 C. 108 D. 27