Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.2
? 23
A. 61
B. 60
C. 51
D. 46
Answer: B
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Solve the problem.A force of magnitude 14 pounds pulling on a suitcase makes an angle of 60° with the ground. Express the force in terms of its i and j components.
A. 0.5000i + + 0.8660j B. 7.000i + 12.12 j C. -13.33i - 4.267j D. 12.12i + 7.000j
Solve the proportion.
= 
A. 
B. 
C. 
D. 
Use a special product formula to simplify.(3x + 7y)2
A. 9x2 + 49y2 B. 3x2 + 42xy + 49y2 C. 3x2 + 49y2 D. 9x2 + 42xy + 49y2
Determine the values of x for which the function, as represented by the graph, is continuous. If the function is not continuous, determine the reason.
A. Not continuous at x = 1; small change B. Not continuous at x = -2, x = 1; small change C. Not continuous at x = -2; small change Not continuous at x = 1; function not defined D. Not continuous at x = 1; function not defined