PLEASE HELP the graph of the function f(x)=5/4sin(x)+1 is shown. what are the key features of this function? (look at photo)

Mathematics

1 answer:

o-na [289]3 years ago

8 0

Hey! I’m really struggling with this same class. Is there any way I can get in contact with you and we can share answers?

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Circle 1 is centered at (−4,5) and has a radius of 2 centimeters. Circle 2 is centered at (2,1) and has a radius of 6 centimeter

Crazy boy [7]

To show that Circle 1 and Circle 2 are similar the Translation and Dilation should be applied.
Transformation rule (2-(-4),(1,-5) ) =(6,-4)and then dilate it using a scale factor of (6/2=3).

Transformation rule (6,-4)and then dilate it using a scale factor of (3).

7 0

3 years ago

John paid $222 for four hours of skiing and two hours boating. He paid $213 for two hours skiing and three hours boating. What i

Inga [223]

Answer:

Skiing costs $30 per hour and Boating costs $51 per hour.

Step-by-step explanation:

Let cost per hour of skiing be x and cost per hour of boating be y. Let's dissect the problem into 2 simultaneous equations.

"John paid $222 for four hours of skiing and two hours boating":

$4x+2y=222$

"He paid $213 for two hours skiing and three hours boating":

$2x+3y=213$

Now, if we solve for x in the 2nd equation and plug it in the 1st equation, we will have the value for y. Work shown below.

$2x+3y=213\\2x=213-3y\\x=\frac{213-3y}{2}\\Equation 1: 4x+2y=222\\Substituting :\\4(\frac{213-3y}{2})+2y=222\\2(213-3y)+2y=222\\426-6y+2y=222\\426-222=6y-2y\\204=4y\\y=\frac{204}{4}=51$