What are the excluded values of x for 2-3x-28/х2-2x-35
2 answers:
Answer:
C
Step-by-step explanation:
The excluded values are the values of x that make the denominator of the rational function equal to zero as this would make the function undefined.
Equate the denominator to zero and solve for x to obtain the values that x cannot be.
x² - 2x - 35 = 0
(x - 7)(x + 5) = 0 ← in factored form
Equate each factor to zero and solve for x
x - 7 = 0 ⇒ x = 7
x + 5 = 0 ⇒ x = - 5
Excluded values of x are x = - 5, x = 7 → C
I'm gonna have to say its c
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