Answer:
(x - 4)(x^2 + 7)
Step-by-step explanation:
x^2 is a factor of the first two terms: x^3 - 4x^2 = x^2(x - 4).
7 is a factor of the last two terms: 7(x - 4).
Note how (x - 4) is a factor of the entire four-term expression given above.
Then: x^3-4x^2+7x-28 = (x - 4)(x^2 + 7)
Answer:
It would be D
ƒ(x) = 20,000 * (0.93) ^ x
Where ^x means to the power of x
Step-by-step explanation:
240÷6=40 so the answer would be "The train is traveling 40 miles per hour."
Part a: the first cereal is y=7x and the second one is y=10x so they are $3 apart.
part b: y=7*4 (28) and y=10*4 (40) is $12 apart so she will save $12 each month.
Step-by-step explanation:
x^2 +10x + 24
use FOIL
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