The lengths of the sides of a triangle are given. Determine if the triangle is a right triangle. If it is, identify the hypotenuse.15, 36, 39
A. right triangle; 15
B. right triangle; 39
C. right triangle; 36
D. not a right triangle
Answer: B
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Express the relationship between a small change in x and the corresponding change in y in the form 
.y = csc(2x2 - 1)
A. dy = -2x2 csc(2x2 - 1) cot(2x2 - 1) dx B. dy = 4x csc(2x2 - 1) cot(2x2 - 1)dx C. dy = -4x csc(4x) cot(4x) dx D. dy = -4x csc(2x2 - 1) cot(2x2 - 1) dx
An expression that occurs in calculus is given. Factor completely.2(x + 4)(x - 3)3 + (x + 4)2 ? 4(x - 3)2
A. (x + 4)(x - 3)2(6x + 10) B. (x + 4)(x - 3)2(3x + 5) C. 2(x + 4)(x - 3)2(3x + 5) D. 2(x + 3)(x - 4)2(3x + 5)
Solve the triangle.a = 9, b = 6, c = 4
A. A = 127.2°, B = 32.1°, C = 20.7° B. A = 127.2°, B = 20.7°, C = 32.1° C. A = 32.1°, B = 20.7°, C = 127.2° D. A = 32.1°, B = 127.2°, C = 20.7°
Find the present value. Round to the nearest cent.To get $5600 after 11 years at 8% compounded annually
A. $4,288.83 B. $2,593.88 C. $2,401.74 D. $3,198.26