Solve for y.10y + x2 = x + 8
A. y = x + 8 - x2
B. y = 
C. y = 
D. y = x2 - x - 8
Answer: C
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Use implicit differentiation to find dy/dx and d2y/dx2.4
- y = 2x
A. 
= 
- 2; 
= - 
B. 
= 
; 
= 
C. 
= 
; 
= 
D. 
= 
; 
= 
Solve the problem.Jack is currently driving into a headwind (17% decrease). If his normal mileage is 50 mpg, what will his car's mileage be in the headwind? Round your answer to the nearest tenth.
A. 67 mpg B. 7.3 mpg C. 50 mpg D. 41.5 mpg
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.B = 15°, b = 7, a = 23
A. one triangle A = 11°, C = 153°, c = 27 B. one triangle A = 14°, C = 152°, c = 31.5 C. one triangle A = 13°, C = 151°, c = 30 D. no triangle
Solve the problem.A basketball fieldhouse seats 15,000. Courtside seats sell for $8, end zone for $6, and balcony for $5. Total for a sell-out is $86,000. If half the courtside and balcony seats are sold, and all the end zone seats are sold, ticket sales total $49,000. How many of each type of seat are there?
A. 2500 courtside; 2500 end zone; 10,000 balcony B. 3000 courtside; 2000 end zone; 10,000 balcony C. 3200 courtside; 1800 end zone; 10,000 balcony D. 4000 courtside; 3000 end zone; 8000 balcony