Solve the inequality. Graph the solution set and write it in interval notation.x + 7 < 15
A. [8, ?)
B. (8, ?)
C. (-?, 8]
D. (-?, 8)
Answer: D
Mathematics
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Use the graph of f to sketch a graph of the inverse of f using a dashed curve.
A. 
B. 
C. 
D. 
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The graph that follows is the graph of a polynomial function. (i) What is the minimum degree of a polynomial function that could have the graph? (ii) Is the leading coefficient of the polynomial negative or positive? 
A. (i) 3 (ii) Positive B. (i) 3 (ii) Negative C. (i) 2 (ii) Negative D. (i) 2 (ii) Positive
Mathematics
Find the indicated term of the geometric sequence.a1 = 3, r = -2; Find a2.
A. a2 = -12 B. a2 = 12 C. a2 = -6 D. a2 = 6
Mathematics
Find the exact value of the expression, if possible. Do not use a calculator.cos-1 
A. 
B. 
C. 
D. 
Mathematics