Sketch the surface z = f(x,y).f(x, y) = 3 - x2 + y

A.
B.
C.
D.


Answer: C

Mathematics

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The initial value of one function is 31.  It has a constant percentage growth rate of 9%. The initial value of a second function is 113.  It has a constant percentage decay rate of 10%. If t is the independent variable for both functions, for what value of t are the two functions equal? Round your answer to two decimal places if necessary. ?

A.
B.
C.
D.

Mathematics

Translate to a formula, then use the formula to solve the problem. Round the answer to the nearest whole number if necessary.The perimeter of a rectangle is equal to twice the sum of its length and width. Find the perimeter with a length 30 ft. and a width 15 ft.

A. 75 ft B. 45 ft C. 180 ft D. 90 ft

Mathematics

Find the least common denominator for the fractions in the list.

A. (x - 4)(x + 1) B. (x + 4)(x - 1)(x - 3) C. (x - 4)(x + 1)(x - 3) D. (x + 1)(x - 3)

Mathematics

Find the first 4 terms of the recursively defined sequence.a1 = 11, an+1 = 

A. 11, - , - 
B. 11, - , 11, - 
C. 11, - , - , - 
D. 11, , -11,  

Mathematics