Question 1
Write x2 + 4x – 3x3 + 6 in standard form.
a) – 3x3 + 4x + x2
b) x2 – 3x3 + 4x + 6
c) –3x3 + x2 + 4x + 6
d) 6 + 4x – 3x3 + x2

-3x^3 + x^2 + 4x +6

Answer is C

Step-by-step explanation:

The abscissas of the points given are the weeks and the ordinates are the miles per gallon. the ordinates formed geometric sequence.  the common ratio is obtained by dividing the ordinate of the second point by the ordinate of the first. that is 24.48 divided by 24 which is equal to 1.02.