Please bare with me bc I’m bad at wording things, change it as you please!
It’s a minimum. I know that the function is a minimum because whenever there is a - in the beginning of the equation it flips your parabola over the x axis and my parabola becomes concave down. When my parabola is concave up I have a minimum, vise versa is a maximum. Because there isn’t a -, my parabola is concave up meaning the function has a minimum
225 miles / 45 miles/hr = 5hr
Answer:
69.5
Step-by-step explanation:
Formula = 1/2 ( b1 + b2)h
base 1 + base 2 = 220
7645 x 2 = 14000 + 1200 + 80 + 10 = 15290
15290 / 220 = 764.5
H = 69.5
Lets check
1/2(220 x 69.5)
1/2(15290) = 7645
correct
If my answer is incorrect, pls correct me!
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-Chetan K
We let c represent the number of dozen cupcakes in which the problem says that the cost of each cupcake is $8 per dozen. In this case, the money earned by Eva should be a function of the number of dozen cupcakes. In this case, the expression that represents this is A. f(c) = c × 8