4 years ago

The range of f(x)=5x2^x is all positive real numbers true or false

Mathematics

1 answer:

creativ13 [48]4 years ago

6 0

Answer: true
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Q7Which statement is incorrect for the graph of thefunction y = -5 cosGcos( 3 (x – 3)) +62The period is 4.The amplitude is 3.The

guajiro [1.7K]

The given function is,

$y=-5\cos (\frac{\pi}{2}(x-3))+6$

The graph can be drawn as,

The period will be distance between two consequetive maximas,

$\text{Period}=1-(-3)=4$

Thus, period is correct.

The amplitude can be determined as,

$\begin{gathered} Amplitude=\frac{\max -\min }{2} \\ =\frac{11-1}{2} \\ =5 \end{gathered}$

Thus, amplitue is incorrect.

The range is,

$y\in\lbrack1,11\rbrack$

Thus, the range is correct.

The midline is,

$\begin{gathered} \text{midline}=\frac{\max +\min }{2} \\ =\frac{1+11}{2} \\ =6 \end{gathered}$

Thus, the midline is correct.

Thus, option (b) is the solution.

5 0

1 year ago

Use transformations to solve the equation. c • 5 = 30 A. c = 5 B. c = 6 C. c = 150 D. c = 180

zmey [24]

C * 5 = 30

Divide both sides by 5

c = 6

5 0

3 years ago

2 very important questions

Troyanec [42]

Answer:

yes this is correct

Step-by-step explanation:

and what you wanna talk about

8 0

3 years ago

Read 2 more answers

Jalisas mother bought 24 cookies at the grocery store. There are 6 people in jalisas family. After dinner they ate some of the c

viva [34]

The family ate 7 eights of the cookies.

5 0

3 years ago

A sporting goods store sells 7 cans of tennis balls for every 3 tennis rackets. How many cans of tennis balls would be sold if 6

Nataliya [291]

Answer:

7×63=441

Step-by-step explanation:

441 cans of tennis

8 0

3 years ago