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gizmo_the_mogwai [7]
4 years ago
5

use the function rule, y=2x +5, to find the values of y when x=1,2,3,and 4. write the answers as ordered pairs that would be use

d to graph the function please show work
Mathematics
2 answers:
Brums [2.3K]4 years ago
6 0
Y = 2x + 5

x = 1

Replace x with 1, and evaluate the right side.

y = 2 * 1 + 5 = 2 + 5 = 7

Ordered pair: (1, 7)

x = 2

Replace x with 2, and evaluate the right side.

y = 2 * 2 + 5 = 4 + 5 = 9

Ordered pair: (2, 9)

x = 3

Replace x with 3, and evaluate the right side.

y = 2 * 3 + 5 = 6 + 5 = 11

Ordered pair: (3, 11)

x = 4

Replace x with 4, and evaluate the right side.

y = 2 * 4 + 5 = 8 + 5 = 13

Ordered pair: (4, 13)

The 4 ordered pairs are: (1, 7), (2, 9), (3, 11), (4, 13)
Mila [183]4 years ago
4 0

y = 2(1) + 5
y=2+5=7. (1,7)

2(3) + 5
y=6+5= 11. (3,11)

2(2) + 5
y=4+5=9. (2,9)

2(4) + 5
y=8+5=13. (4,13)
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