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cupoosta [38]
3 years ago
12

Is the following relation a function? (-2,-2) (2,8) (3,2) (3,1) (7,-5)

Mathematics
1 answer:
Ket [755]3 years ago
8 0
No it is not.
Function cannot have different outputs for the same input
(3,2) and (3,1) have the same input but different outputs, not a function
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A pizza parlor offers pizzas with diameters of 8 in, 10 in, and 12 in. find the area of each size pizza. round to the nearest te
MaRussiya [10]
Area od pizza, A = Pi*Diameter^2/4

A1 = Pi*8^2/4 = 50.27 in^2
A2 = Pi*10^2/4 = 78.54 in^2
A3 = Pi*12^2/4 = 113.10 in^2

Cost (C) per sq. in;
C1 = 50.27/9 = $5.59
C2 = 78.54/12 = $6.55
C3 = 113.10/18 = $6.28

The best buy is the first pizza with 8 in diameter as it costs the least per sq. inch.
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3 years ago
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katen-ka-za [31]

Answer:

4

Step-by-step explanation:

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A company makes triangular plates for individual slices of pizza. For each plate, the base is 9 inches and the height is 14 inch
scZoUnD [109]
Area = base x height
= 14 * 9
= 126 inches squared.

Area of triangle
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Answer = 63

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3 years ago
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Square root of x plus 8 end root minus 6 equals x
Pachacha [2.7K]

Answer:

Squaring both the sides, we get a quadratic and solving it, we find that the possible values of x are -7 and -4.

Step-by-step explanation:

The expression can be written as √(x+8) - 6 = x. Take 6 on the other side and square both the sides.

[√(x + 8)]² = (x + 6)²

x + 8 = x² + 12x + 36

x² + 11x + 28 = 0

x² + 7x + 4x + 28 = 0

(x + 7)(x + 4) = 0

x = -7 and x = -4

The possible values of x are -7 and -4.

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What is the power to another power rule
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9

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