Zero Solutions because -5y=-15x+40 is the same as y=3x-8 which is also the same as the second equation
Answer:
The domain of a function is the set of numbers for which the function is defined.
Here, this function has values of number from -1 to +3
therefore, it's domain is [-1,3]
The range is the set of results of a function
here, this function ranges between -5 to +4
therefore, its range is [-5,4]
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31/18 is the answer.
To solve, find the common denominator. In this case, I used 54. You need to multiply each fraction to get 54 on the denominator of both.
Answer:
(x-3)(x^2-7) = x^3 -3x^2 -7x + 21
just change the sign of the root and put x in front of it, then multiply the factors all together
(x-3)(x-sqr7)(x+sqr7) roots come in conjugate pairs to eliminate irrational coefficients
(x-sqr7)(x+sqr7) = x^2-7. similar to (a-b)(a+b) = a^2-b^2
Step-by-step explanation: