Answer to Question #193679 in Algebra for chris

Question #193679

1.Sketch the graph that represents y=6log(x-7) + 2

https://lh4.googleusercontent.com/vEwh848sXA94dOj_DL12sGCfgXDI3l8rjJhXKAjI_Q-Uchbs3kZsaPRPgLOrj6n69i3veT3nJJ8MUKBNFzUUA9JTemem1lvlvg_2BzTPGMVF7ls1pB7MjvRowIpBE_9sBu-fNUUQ


2.Write the equation of the parent function y=3sqaure root of x includes the following transformations

a. Vertical compression of 1/5

b. Left 5

c. Down 8

Equation:


3.Use log properties to expand

a. log710x

b. log2(x/5)



1
Expert's answer
2021-05-24T02:20:02-0400

1.

the equation of the function is: "y=6\\space log(x\u22127)+2"




2.

"y^3=\\sqrt x"


a.

vertical compression of "\\frac{1}{5}"

when we multiply a function by a positive constant

we get a function whose graph is stretched or compressed vertically in relation to the graph of the original function.

"y^3=\\frac{1}{5}\\sqrt x"


b.

Left 5

To shift a function left, add inside the function argument; "f(x+b)"

"y^3=\\sqrt{x+5}"


c.

down 8

"y^3=\\sqrt x -8"


3.

a.

"log_710x"

Apply log rule: "log_c(ab)=log_c(a)+log_c(b)"

"log_7(10x)=log_7(10)+log_7(x)"

"=log_7(10)+log_7(x)"


b.

"log_2(\\frac{x}{5})"

Apply log rule: "log_c(\\frac{a}{b}) =log_c(a)-log_c(b)"

"log_2(\\frac{x}{5})=log_2(x)-log_2(5)"


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