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hammer [34]
3 years ago
10

Find the range of the function r(x) for the given domain. r(x) = 2(2*)+3 D = {-1,0,1,3}

Mathematics
1 answer:
e-lub [12.9K]3 years ago
7 0

Answer:  R = {4, 5, 7, 19}

<u>Step-by-step explanation:</u>

Domain represents the x-values.

Range represents the y-values.

Insert the values of the domain into the given equation.

\begin {array}{c|l|c}\underline{\ x\ }&\underline{\ 2(2^x)+3 =\ }&\underline{\ r(x)\ }\\ -1&2(2^{-1})+3=&4\\0&2(2^0)+3=&5\\1&2(2^1)+3=&7\\3&2(2^3)+3=&19\\\end{array}

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What type of number can be written as a fraction p%q where p and q aré integers and q is not equal to zero
MatroZZZ [7]
Hi there!

The correct answer is Rational Number.

\bf{EXPLANATION} :-

Rational Number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator " p " and a non-zero denominator " q ".

~ Hope it helps!
7 0
3 years ago
Given<br> f(x) = -4(x+5),<br> what is the value of<br> f(-3)?<br> 
sp2606 [1]

Answer:

f(-3)=-8

Step-by-step explanation:

plug -3 in as x

-4(-3+5)

12-20

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4 0
2 years ago
A university has 750 female students and 2250 male students. Thirty per cent of female students study chemistry and 60% of male
UNO [17]

Answer:

1/7 or 14.3%

Step-by-step explanation:

30% of 750 = 225  (females who study chemistry)

60% of 2250 = 1350  (males who study chemistry)

1575 = total students studying chemistry

P (female chemistry student) = 225/1575 = 1/7 (simplified)

1/7 = 14.3%

7 0
2 years ago
One of the main contaminants of a nuclear accident, such as that at Chernobyl, is strontium-90, which decays exponentially at a
igor_vitrenko [27]

Answer: P=0.975^t


Step-by-step explanation:

We know that the general form of the exponential decay formula is


y=A(1-r)^t, where y is final amount remaining after t time, A is the original amount and r is the rate of decay


Now, the ratio of strontium-90 remaining, p , as a function of years, t , since the nuclear accident. P=\frac{A(1-0.02)^t}{A}=\frac{(0.975)^t}{1}

Hence, the ratio of remaining since the nuclear accident is P=0.975^t

3 0
3 years ago
Read 2 more answers
Calculate the mass of NaOH in 0.2 moles of NaOH
masya89 [10]

Answer:

0.2M i.e

Step-by-step explanation:

6 0
3 years ago
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