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Soloha48 [4]
3 years ago
13

Please help me Question 3 of 5

Mathematics
1 answer:
umka21 [38]3 years ago
8 0

Answer:

46

Step-by-step explanation:

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Find all values of x that are NOT in the domain of h.
Firlakuza [10]

Answer:

if x=-1 then its is NOT in the domain of h.

Step-by-step explanation:

Domain is the set of values for which the function is defined.

we are given the function

h(x) = x + 1 / x^2 + 2x + 1

h(x) = x+1 /x^2+x+x+1

h(x) = x+1/x(x+1)+1(x+1)

h(x) = x+1/(x+1)(x+1)

h(x) = x+1/(x+1)^2

So, the function h(x) is defined when x ≠ -1

Its is not defined when x=-1

So, if x=-1 then its is NOT in the domain of h.

4 0
4 years ago
Read 2 more answers
Simplify the rational expression. State any restrictions on the variable. t^2-4t-32/t-8
Leno4ka [110]

1. Factor the expression t^2-4t-32:

t^2-4t-32=(t-8)(t+4).

2. Since t-8 is placed in the denominator of the given expression, then t\neq 8.

3. Now the expression can be simplified:

\dfrac{t^2-4t-32}{t-8}=\dfrac{(t-8)(t+4)}{t-8}=t+4.

5 0
4 years ago
Read 2 more answers
The function f is defined on the set of real numbers f(x) equals to 4x + 3 find f^-1(x) and hence determine f^-1(½)
SVETLANKA909090 [29]

Answer:

The answer and solution are in the picture above

5 0
3 years ago
You have a coupon for 10% off the sale price of a surfboard. Which is the better buy? Explain your reasoning.
labwork [276]

Answer:

Answer your own question.

Step-by-step explanation:

Listen to your teacher.

7 0
3 years ago
Suppose you answered 19 questions correctly on a test. If this is 95% of the questions, how many questions were in the test?
zzz [600]
It is 20.
1st: set up a proportion. --> 95/100=19/x
2nd: cross multiply. --> 95 times x=95x. 100 times 19=1900.
3rd: divide 1900 by 95. --> 1900÷95=20
There you go! Your answer is 20
Answer is: 20 questions in total
7 0
4 years ago
Read 2 more answers
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