The current number of coupons being mailed out by a company each week in one region of the country can be represented by the function R(x) = 3x2 + 21x, where x is the number of cities in the region. The number of coupons in a new mailing sent only to preferred customers can be represented by the function P(x) = 9x. Which function best describes C(x), the number of coupons that are shipped out in any given week?

idc

step-by-step explanation:

idk

d is the only accurate one

step-by-step explanation:

37 = ending with 7

unit's digit in the cube..3

56 = ending with 6

unit's digit in the cube..2

133 = ending with

unit's digit in the cube..7

hope it : ( : )

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629