The graph of f ′(x) is continuous and increasing with an x-intercept at x = 5. Which of the following statements must be true?

The graph of f is always concave up.
The graph of f has an inflection point at x = 5.
The graph of f has a relative maximum at x = 5.
None of these is true.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft