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If the function f(x) is defined for all real numbers x as th
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15 May 2019, 05:26
15 May 2019, 05:26
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Question Stats:
54% (01:25) correct
45% (01:22) wrong based on 31 sessions
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If the function f(x) is defined for all real numbers x as the maximum value of 2x + 4 and 12 + 3x, then for which one of the following values of x will f(x) actually equal 2x + 4 ?
(A) –4
(B) –5
(C) –6
(D) –7
(E) –9
(A) –4
(B) –5
(C) –6
(D) –7
(E) –9
Re: If the function f(x) is defined for all real numbers x as th
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08 Jun 2019, 19:59
08 Jun 2019, 19:59
PLease explain this.
I've had my exam soon.
Thankyou.
I've had my exam soon.
Thankyou.
Re: If the function f(x) is defined for all real numbers x as th
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09 Jun 2019, 10:06
09 Jun 2019, 10:06
2
Expert Reply
The questions boils down to
for which value of x is 2x + 4 is greater than or equal to 12 + 3x ?
\(2x + 4 ≥ 12 + 3x\)
\(x ≤ –8\)
E is the answer. The question is hard only in appearance. They are just tricky this way.
PS: we reply to the students both they are going to have their exam tomorrow and in a year from now. regardless of the rest.
Thank you
for which value of x is 2x + 4 is greater than or equal to 12 + 3x ?
\(2x + 4 ≥ 12 + 3x\)
\(x ≤ –8\)
E is the answer. The question is hard only in appearance. They are just tricky this way.
PS: we reply to the students both they are going to have their exam tomorrow and in a year from now. regardless of the rest.
Thank you
