F(x) Which statements about the graph of the
exponential function f(x) are TRUE? Select all that
apply.
(Select all that apply.)
There is no x intercept.
The y intercept is (0, 2)
The asymptote is y = 2
The domain is all real numbers
(0.2)
The range is y > 2
As x increases, f(x) increases.

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b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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