Mathematics

Mathematics

Problem

Two exponential functions are defined as

p(x)=3\,2^{x}

and

q(x)=5\left(\dfrac{1}{2}\right)^{x}

. Which statement about their

y

-intercepts is correct? a)

p

has

y

-intercept

5

and

q

has

y

-intercept

3

b) Both have

y

-intercept

3

c)

p

has

y

-intercept

3

and

q

has

y

-intercept

5

d)

p

has

y

-intercept

3

and

q

has

y

-intercept

2.5

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