2 years ago

PLZ HELP! Will give BRAINLIEST!

Mathematics

2 answers:

Arisa [49]2 years ago

4 0

Answer:

D -26

Step-by-step explanation:

Vladimir79 [104]2 years ago

4 0

Answer:

A: 8

Step-by-step explanation:

$y = f(g(x)) = ( \sqrt{7x + b)} \\ y= \sqrt{7x + b} \\ at \: (4 \: \: 6) \\ \\ i.e. \: plugging \: x = 4 \: and \: y = 6 \\ \\ 6 = \sqrt{7 \times 4 + b} \\ 36 = 28 + b \\ b = 36 - 28 \\ b = 8 \\$

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