Determine where the function is increasing and where it is decreasing.f(x) = -x2 + 2x + 8

A. increasing on (-?, 1)
decreasing on (1, ?)
B. increasing on (1, ?)
decreasing on (-?, 1)
C. increasing on (-?, 9)
decreasing on (9, ?)
D. increasing on (9, ?)
decreasing on (-?, 9)


Answer: A

Mathematics

You might also like to view...

Determine if the given function can be extended to a continuous function at   If so, approximate the extended function's value at  (rounded to four decimal places if necessary). If not, determine whether the function can be continuously extended from the left or from the right and provide the values of the extended functions at  Otherwise write "no continuous extension."f(x) = (1 + 2x)1/x

A. f(0) = 5.4366 B. f(0) = 2.7183 C. No continuous extension D. f(0) = 7.3891

Mathematics

Provide an appropriate response.True or False? The quotient of two irrational numbers is always irrational.

A. True B. False

Mathematics

Divide using synthetic division.

A. 3x4 + 12x3 + 7x2 - x + 5 + 
B. 3x4 + 12x3 + 7x2 - x + 5
C. 3x4 - 12x3 + 7x2 + x + 5
D. 3x4 - 12x3 + 7x2 + x + 5 + 

Mathematics

Graph the function.

a.
b.
c.
d.

Mathematics