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castortr0y [4]
3 years ago
9

Is the function f(x) = (- 7) ^ x an exponential function ? If so , identify the base . If not , why not ?

Mathematics
1 answer:
Degger [83]3 years ago
8 0

Answer:

Yeah, the base is -7

Step-by-step explanation:

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Use the functions f(x) and g(x) to answer the question.
kenny6666 [7]
f(x)=x^2+3\\\\g(x)=x-7\\\\(f+g)(x)=f(x)+g(x)=(x^2+3)+(x-7)=x^2+x-4

Answer: C)

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3 years ago
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Likurg_2 [28]

Answer:

the 1st one

Step-by-step explanation:

I passes it in the quiz

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3 years ago
What is the MAD of this data set? <br> 2, 3, 5, 7, 8, 8, 9
Tasya [4]

Answer:

do you mean the mode cause that would be 8 and the mean would be 6 and median would be 7 and the range would also be 7

the mad would be 2.2857 idk what your rounding to but i hope this helps

Step-by-step explanation:

3 0
3 years ago
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The point (21, 32) is on a line with slope 1.5
Leni [432]
Ok so for this question, you have to draw a graph to help. I'm doing the numbers by 2. You plot the points (21,32) on the graph then after that plot the points by the slope. What I'm trying to say by that is: 1.5 as a fraction is 3/2. so you count from that point by going 3 numbers up (or squares if on a graph if it makes more sense) then count 2 squares to the right and you continue doing that after every point you make (if there's no space to go up the graph the n you can go down by just counting 3 down then counting 2 to the LEFT)

I don't have graph paper on me so I can't really tell you the y-intercept because it might be not accurate (thats the number after the slope or "b" in the formula y=mx+b) How to find that is: when you follow the steps above you're going to hit the y-axis (vetical line) when you have an exact point hitting the y-axis (it should be right on that line ) then that's your number

Equation: y=1.5x+ (insert y-axis number here)
The coordiantes of another point is on the line (u can pick any)
7 0
3 years ago
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Laws of cosines!!! find B round to the nearest tenth!!!! second time posting this help ASAP!!!​
Nookie1986 [14]

Answer:

32.7°

Step-by-step explanation:

Use the formula for law of cosines, for this question we need so solve for angle B, so use...

b² = a² + c² - 2(a)(c)Cos B

We are given a, b, and c, so plug them in...

55² = 90² + 50² - 2(90)(50)Cos B

Now simplify...

3,025 = 8100 + 2500 - (9000)Cos B

   -7,575 = -(9000)Cos B   (subtract 8100 and 2500 from both sides)  

   

       0.841666667 = Cos B    (divide both sides by -9000)

       Cos^(-1) 0.841666667 = B  (use cosine inverse function on calculator)

          32.68346376° = B

           32.7° = B

 

3 0
3 years ago
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