SOLUTION: Which statement about p(x) = -7(4)^x is true? A. The domain is all real numbers greater than or equal to 4. B. The range is all real numbers less than 0. C. The domain is

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Which statement about p(x) = -7(4)^x is true? A. The domain is all real numbers greater than or equal to 4. B. The range is all real numbers less than 0. C. The domain is       Log On


   

Question 1206749: Which statement about p(x) = -7(4)^x is true?
A. The domain is all real numbers greater than or equal to 4.
B. The range is all real numbers less than 0.
C. The domain is all real numbers less than or equal to 0.
D. The range is all real numbers.
Answer by greenestamps(13203) About Me  (Show Source):
You can put this solution on YOUR website!


If a is a positive number, then a^x is a positive number for any real number x.

That means 4^x is always positive; and that mean -7(4^x) is always negative.

ANSWER: B