Give the domain and range of the relation.
A. domain: [-3, 0]; range: [-0, 4]
B. domain: (-?, 4]; range: [0, 3]
C. domain: [0, 3]; range: (-?, 4]
D. domain: [-0, 4]; range: [-3, 0]
Answer: A
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Using the factoring method, solve for the roots of the quadratic equation.6x2 + 25x + 21 = -4
A. x = 
, x = 
B. x = 
, x = 
C. x = - 
, x = - 
D. x = - 
, x = - 
Two forces act at a point in the plane. The angle between the two forces is given. Find the magnitude of the resultant force.forces of 59 and 81 newtons, forming an angle of 90°(round to the nearest newton)
A. 22 newtons B. 4779 newtons C. 140 newtons D. 100 newtons
Add the polynomials. Express your answer in standard form.(3b3 - 5b - 2) + (5b4 - 7b3 + b2 - 6b)
A. 5b4 + 4b3 + b2 - 11b - 2 B. 5b4 - 10b3 + b2 + 11b - 2 C. 5b4 - 4b3 + b2 + 11b - 2 D. 5b4 - 4b3 + b2 - 11b - 2
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sin (-30°)
A. 
B. 
C. - 
D. - 