Determine where the graph of the function is increasing, decreasing, concave up, concave down. Then sketch the graph.f(x) = x4 - 2x2 + 3
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Graph the function.r(x) = x3 - 3x + 3
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A convention manager finds that she has $1440 made up of twenties and fifties. She has a total of 45 bills. How many fifty-dollar bills does the manager have?
A. 12 fifty-dollar bills B. 27 fifty-dollar bills C. 18 fifty-dollar bills D. 45 fifty-dollar bills
Mathematics
Show by substitution whether the number r is a solution of the corresponding quadratic equation.x2 - 7x + 10 = 0; r = -5
A. Yes B. No
Mathematics
Suppose that ln 2 = a and ln 5 = b. Use properties of logarithms to write each logarithm in terms of a and b.ln 
A. 
(a2 + b)
B. 
(a - b)
C. 
(a + b)
D. 
(2a + b)
Mathematics