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bonufazy [111]
2 years ago
13

Tanya walked for 17 minutes from her home to a friend that lives 1.5 kilometers away . d(t) models Tanya's remaining distance to

walk (in kilometers), t minutes since she left home. Which number type is more appropriate for the domain of d?

Mathematics
1 answer:
andrey2020 [161]2 years ago
6 0

Answer:

Real numbers

0≤ t ≤17

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Answer:

B

Step-by-step explanation:

its a right angle and one point is 40 as shown already so 90-40=50 hope this helps

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Given g(x) =<br> 1/4(15 – 2)<br> what is the value of g(7)?
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6 0
2 years ago
Simplify the function. Than determine the key aspects of the function
Tom [10]

To simplify the function, we need to know some basic identities involving exponents.


1. b^(ax)=(b^x)^a=(b^a)^x

2. b^(x/d) = (b^x)^(1/d) = ((b^(1/d)^x)


Now simplify f(x), where

f(x)=(1/3)*(81)^(3*x/4)

=(1/3)(3^4)^(3*x/4) [ 81=3^4 ]

=(1/3)(3^(4*3*x/4) [ rule 1 above ]

=(1/3) (3^(3*x)

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(A) Initial value is the value of the function when x=0, i.e.

initial value

= f(0)

=(1/3)(3^(3x))

=(1/3)(3^(3*0))

=(1/3)(3^0)

=(1/3)(1)

=1/3


(B) the simplified base base is 3 (or 27 if the other form is used)


(C) The domain for an exponential function is all real values ( - &infin; , + &infin; ).


(D) The range of an exponential function with a positive coefficient and without vertical shift is ( 0, + &infin; ).

8 0
3 years ago
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