Find all values of x for the given function where the tangent line is horizontal.f(x) = 
A. -6, 6
B. 0, -6
C. 0, 6
D. -6
Answer: D
Mathematics
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What value of x gives a minimum for 
? Restrict your attention to the horizontal span of 9 to 15. Be careful. You are asked about a minimum, not a maximum. Round your answer to two decimal places.
?
A. 47.69 B. 15.00 C. 37.26 D. 11.82
Mathematics
Find the domain and range of the function.F(t) = 
A. D: (0,?), R: (0,?) B. D: [0,?), R: [0,?) C. D: (-?,0), R: (-?,0) D. D: (-?,?), R: (-?,?)
Mathematics
Solve the problem.The perimeter of a rectangle is 44 cm. One side is 12 cm longer than the other side. Find the lengths of the sides.
A. 10 cm, 22 cm B. 11 cm, 23 cm C. 5 cm, 12 cm D. 5 cm, 17 cm
Mathematics
Solve the equation.
= 
A. No solution
B. - 1, - 
C. 1, 
D. 1
Mathematics