Help please I don't get it...........

Question

11-10-2017
Mathematics

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Help please I don't get it...........

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jimthompson5910 jimthompson5910 · Answer 1 · 2017-10-11T01:45:50+02:00

Answer: Choice D) the y intercept is (0,1)

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Going through each answer choice, we find...

A. False. The graph is always decreasing (see attached image). The curve slopes downhill as you read it from left to right.

B. False. Negative x values are allowed. Also, x = 0 is allowed.

C. False. The proper range is y > 0

D. True. Plugging in x = 0 leads to f(x) = 1. The graph in the attached image confirms this answer. The red curve crosses the vertical y axis at 1, which is the point (0,1) the y intercept in this case.