Danica bought a car for d dollars. It depreciates by a factor of feach year. Which expression best predicts the value of the car after 15 years?
HELP ASAP

b.an increase in a causes b to decrease

1,150 give brainliest

step-by-step explanation

2r= 2300

r =1150

"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