Graph. Y= 2/3x - 3 Pls need help will very apperciate
1 answer:
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Okay, this is my proof. I'm not exactly sure if this is a viable proof, but I think it works.
Hence, from x > 0, it is always increasing (gradient > 0)
y = lnx crosses the x-axis only once, so there is only one root.
Since x cannot be less than zero, as well as a monotonic increasing function for x > 0, and the fact that it crosses the x-axis once, then as x approaches 0 from the positive side, f(x) has to be approaching negative infinity.
Hence, from x > 0, it is always increasing (gradient > 0)
y = lnx crosses the x-axis only once, so there is only one root.
Since x cannot be less than zero, as well as a monotonic increasing function for x > 0, and the fact that it crosses the x-axis once, then as x approaches 0 from the positive side, f(x) has to be approaching negative infinity.
Complete Question
The complete question is shown on the first uploaded image
Answer:
The confidence level interval is
Step-by-step explanation:
The sample size is
The number planning to increase workforce is
The confidence level is %
The value of proportion for a plus 4 method is
substituting values
The z-critical value at confidence level of 98% is
This values is obtained from the standard normal table
The confidence level interval can be mathematically represented as
substituting values
=>
