In each group of four products, one is wrong. Use estimation to determine which product is incorrect.
A. 2973 × 67 = 199,191
B. 275 × 78 = 21,450
C. 2 × 1418 = 2836
D. 1772 × 2 = 2444
Answer: D
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A box with a square base, x feet by x feet, and no lid is made from 34 square feet of cardboard. We can calculate both the height h, in feet, and the volume V, in cubic feet, from the length x:
?
A: Find the value of x that makes the box of maximum volume.B: What is the height of the box of maximum volume?C: What is the maximum volume?
?
(Round your answers to two decimal places.)
What will be an ideal response?
Find all the first order partial derivatives for the following function.f(x, y) = 
A. 
= 
; 
= 
B. 
= - 
; 
= - 
C. 
= 
; 
= - 
D. 
= 
; 
= - 
Solve.David recently switched to a long distance phone company which charges a monthly fee of $7.95 plus $0.08 per minute. A linear function that expresses the monthly bill B as a function of minutes used m is 
How many minutes were used for long distance if the long-distance phone bill was $39.95?
A. 499 minutes B. 400 minutes C. 386 minutes D. 409 minutes
Choose the graph that satisfies the given conditions.Polynomial of degree 4 with two distinct x-intercepts and a negative leading coefficient
A. 
B. 
C. 
D. 