Find all points where the function has any relative extrema or saddle points and identify the type of relative extremum.f(x, y) = x2 + y2 - 5x - 9y
A. Relative minimum at 
and saddle point at (0, 0)
B. Relative minimum at 
C. Saddle point at 
D. No relative extrema or saddle points
Answer: B
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Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 6 ft. Find the length of the ladder if the length is 2 ft more than its distance from the wall.
A. 10 ft B. 6 ft C. 12 ft D. 8 ft
Solve the problem.A rectangular patio has an area of 3m3 + 18m2 + 3m - 72. Find the length if the width is 3m + 9.
A. m2 - 3m + 8 B. m3 + 3m2 - 8m C. m2 + 13.5m - 8 D. m2 + 3m - 8
Solve the problem.Evaluate 
by expanding down the second column. Show all your work.A = 
What will be an ideal response?
Use the distributive property to write the sum as a product.(-9)3 - (-9)6s
A. 9(-27 - 6s) B. -9(3 - 6s) C. -9(27 - 6s) D. -9(3 + 6s)