Answer:
In mathematics, opposite number or additive inverse of any number is a number n which, if added to n, results in 0 (the identity element of addition). The opposite number for n is written as −n. For example, −7 is the opposite number of 7
Step-by-step explanation:
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Answer:
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Answer:
B
Step-by-step explanation:
To find the x- intercepts let f(x) = 0 , that is
(x + 1)(x + 4) = 0
Equate each factor to zero and solve for x
x + 4 = 0 ⇒ x = - 4
x + 1 = 0 ⇒ x = - 1
The x- intercepts are (- 4, 0 ) and (- 1, 0 )
Answer: 1.75hours or 1.45
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