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Gnom [1K]
3 years ago
14

Question 1 Simplify: f (2) +49 (3)

Mathematics
1 answer:
Alexeev081 [22]3 years ago
6 0
2f+147
-
All you have to do is simplify each term.
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PLEEASSEEEE Answer ASAP. Due in 5 Minutes. 25 points!!!!!!!!!
jonny [76]

Answer:

Here we will use the relationships:

a^n*a^m = a^{n + m}

(a^n)^m = a^{n*m}

\frac{a^n}{a^m} = a^{n - m}

And a number:

a^n

is between 0 and 1 if a is positive and larger than 1, and n is negative.

if a is positive and 0 < a < 1, then we need to have n positive such that:

0 < a^n < 1

A) 5^3*5^{-4} = 5^{3 + (-4)} = 5^{-1}

This is between zero and 1,

B) \frac{3^5}{3^{-6}} = 3^{5 - (-6)} = 3^{11}

This is greater than 1, because the exponent is positive.

C) (\frac{1}{4})^3*( \frac{1}{4})^2 = (\frac{1}{4})^{2 + 3} = (\frac{1}{4})^5

Because a is smaller than 1, and the exponent is positive, then the expression is between 0 and 1.

D) \frac{(-7)^5}{(-7)^7} = (-7)^{5 - 7} = -7^{-2}

The exponent is negative (and pair) then the expression is between 0 and 1.

Remember that when the exponent is pair, we always have that:

(-N)^m = (N)^m

So (-7)^-2 = 7^-2

4 0
3 years ago
There is a correlation between higher education and greater degrees of both income and job stability. What is one downside of co
enyata [817]

c.

Higher education can be expensive, and most students who seek degrees must accept some burden of debt.

3 0
3 years ago
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What is the axis of symmetry of the function f(x) = 2x^2 - 4x + 5
Taya2010 [7]
The axis of symmetry of this function is x = 1. I hope this helps!
7 0
3 years ago
Write the equation of a line through (0,2) that is parallel to the graph
Vinvika [58]

Answer:

y=3x+2

Step-by-step explanation:

Refer to the picture that given :)

7 0
3 years ago
3x + 1/5y - 2 = 0<br>A. y=15x + 10<br>B.y=15x - 10<br>C.y=-15x +10<br>D.y=-15x-10​
Svetach [21]

Answer:

C

Step-by-step explanation:

You need to isolate the y variable. The first thing you need to do is move the 2 and 3x to the other side of the equation.

3x + 1/5y - 2 = 0

1/5y = -3x +2

Then you need to get rid of the 1/5 so you multiply both sides equation by the reciprocal of 1/5 which is 5/1 or 5.

y = ( -3x +2) 5

then you distribute the 5 to get

y = -15x+10

8 0
3 years ago
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