Determine whether the relation is a function. Give the domain and range.{(4, 5), (-3, -1), (-5, 8), (4, -1)}
A. function; domain: {-1, 5, 8}; range: {-5, -3, 4}
B. not a function; domain: {-5, -3, 4}; range: {-1, 5, 8}
Answer: B
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Solve the problem.Two forces, of 53.1 and 25.5 lb, forming an angle of 98.5°, act at a point in the plane. Find the magnitude of the resultant force.
A. 62.2 lb B. 1300 lb C. 78.6 lb D. 55.4 lb
Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(x + 7)(x + 9)
A. x2 + 15x + 63 B. x2 + 63x + 16 C. x2 + 16x + 63 D. x2 + 16x + 16
A number is drawn at random from the numbers 
. Find the probability.(a) The number is 7. (b) The number is even.(c) The number is less than 4.
What will be an ideal response?
Find the Jacobian for the indicated change of variables.
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D. ?
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E. ?
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