fill in the table using this function rule. y=2x+5. 1 ( ) 4( ) 5( ) 10( ) please help and dont make it complicated
1 answer:
Answer:
The complete table is as follows:
x y
1 7
4 13
5 15
10 25
Step-by-step explanation:
Given the function
Given the table
x y
1 blank
4 blank
5 blank
10 blank
Substitute x = 1 in the function
y = 2x+5
y = 2(1)+5 = 2+5 = 7
so, when x = 1, y = 7 i.e. (1, 7) is the point on the table
Substitute x = 4 in the function
y = 2x+5
y = 2(4)+5 = 8+5 = 13
so, when x = 4, y = 13 i.e. (4, 13) is the point on the table
Substitute x = 5 in the function
y = 2x+5
y = 2(5)+5 = 10+5 = 15
so, when x = 5, y = 15 i.e. (5, 15) is the point on the table
Substitute x = 10 in the function
y = 2x+5
y = 2(10)+5 = 20+5 = 25
so, when x = 10, y = 25 i.e. (10, 25) is the point on the table
Therefore, the complete table is as follows:
x y
1 7
4 13
5 15
10 25
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The measure of angle x will be 88 degrees. Then the correct option is C.
The complete question is attached below.
<h3>What is law of cosine?</h3>Let there is a triangle ABC such that |AB| = a units, |AC| = b units, and |BC| = c units and the internal angle A is of θ degrees, then we have:
2ab cos θ = a² + b² – c²
The triangle is shown below.
Then the value of the variable x will be
2 · 7 · 10 · cos x = 7² + 10² – 12²
140 · cos x = 49 + 100 – 144
cos x = (149 – 144) / 140
x = 87.95 ≈ 88°
Then the correct option is C.
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