Answer is probably Number 1.
1. Find the slope.
2. Plug the slope you found in step 1, one of the given points, and plug both into the point-slope formula.
The point-slope formula is:
y - y_1 = m(x - x_1)
3. Solve the point-slope formula for y.
Your final answer must be in the form
y = mx + b
You are correct with the 1.42 but wrong with the 10^5
Count the digits after the 1, which is 7. So it should be
1.42 x 10^7
Big Mac
Premium McWrap Chicken & Ranch (Grilled)
Chicken McNuggets
Premium Caesar Salad with Crispy Chicken
Bacon, Egg & Cheese Biscuit
World Famous Fries
McCafé Frappé Caramel
McFlurry with OREO® Cookies