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olga_2 [115]
3 years ago
11

Please helppppppppppp​

Mathematics
2 answers:
Eduardwww [97]3 years ago
8 0

Answer:

see explanation

Step-by-step explanation:

Substitute the given values of x into f : x → \frac{3}{7} x + 4

x = - 14 → (\frac{3}{7} × - 14) + 4 = (3 × - 2) + 4 = - 6 + 4 = - 2

x = 28 → ( \frac{3}{7} × 28) + 4 = (3 × 4) + 4 = 12 + 4 = 16

x = \frac{7}{8} → (\frac{3}{7} × \frac{7}{8} ) + 4 = \frac{3}{8} + 4 = \frac{3}{8} + \frac{32}{8} = \frac{35}{8}

x = - \frac{2}{9} → (\frac{3}{7} × - \frac{2}{9} ) + 4 = (\frac{1}{7} × - \frac{2}{3}) + 4 = - \frac{2}{21} + \frac{84}{21} = \frac{82}{21}

Hatshy [7]3 years ago
6 0

Answer:

See below in bold.

Step-by-step explanation:

1. 3/7 * -14 + 4

   = -6 + 4

    = -2.

2. 3/7 * 28 + 4

   = 12 + 4

    = 16.

3 3/7 * 7/8 + 4

   =  3/8 + 4

    =   35/8 or 4 3/8.

4. 3/7 * -2/9 + 4

   = -6/63 + 4

   = -2/21 + 4

    = -82/21 or -3 19/21.

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