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netineya [11]
4 years ago
12

Consider the expression 7x2 + 9 + 3x. Tell whether each statement is

Mathematics
1 answer:
AfilCa [17]4 years ago
6 0

Answer:

A is false

b is true

c is false

d is false

Step-by-step explanation:

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A) f(-1)= -4<br> B) f(-1)= 3<br> C) f(-1)= 1/4<br> D)f(-1) = 1/3
rodikova [14]

Answer:

c  f(-1) = 1/4

Step-by-step explanation:

f(x) = x-1

       -----------

      x^2 -9

Let x=-1

f(-1) = -1-1

        -----------

         (-1)^2 -9

f(-1) = -2

        -----------

         1 -9

     =-2/-8   = 1/4

5 0
3 years ago
A store has apples on sale for $21.00 for 6 pounds. If an apple is approximately 5 ounces, how many apples can you buy for $126.
fgiga [73]

Answer:

115 apples

Step-by-step

6 pounds of apple = $21.00

Cost per pound :$21.00 / 6 = $3.5 per Pound 1 pound = 16 ounces16 ounces cost $3.51 ounce = $3.5 / 16 = $0.218755 ounces will cost :5 * 0.21875 = $1.09375Number of 5 ounce apple that can be purchased with $126$126 / $1.09375= 115.2Approximately 115 apples

6 0
2 years ago
Read 2 more answers
Unit 7: polygons &amp; quadrilaterals
sashaice [31]

Yes.

A quadrilateral is a polygon.

4 0
3 years ago
Can you solve it please.​
bixtya [17]
Kinda fasure The answer is c.
7 0
3 years ago
Someone help ill give brianliest this is due tomorrow please help asap please!!!!
AveGali [126]

Answer:

1. regular octagon mirror, has equal sides

rectangular table, has 2 equal sides

2.yes because homes and buildings everywhere.

Step-by-step explanation:

sry if wrong

6 0
3 years ago
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