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Hoochie [10]
3 years ago
6

What are the domain and range of the logarithmic function f(x) = log7x?

Mathematics
1 answer:
kap26 [50]3 years ago
6 0
The domain is (0, ∞)
The range is (-∞, ∞)
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In each figure, a|| b . Determine whether the third figure is a translation image of the first figure. Write yes or no. Explain
stellarik [79]

Answer should be:

b. No; it is a reflection followed by a translation.

Hope it helps.

4 0
3 years ago
Read 2 more answers
Identify the correct equation that describe the relationship between a sine and cosine wave. a. v(t) = A sin (2πft + π/2) = A co
Flauer [41]

Answer:

A. v(t) = sin (2πft + π/2) = A cos (2πft)

Step-by-step explanation:

According to trigonometry friction, the following relationship are true;

Sin(A+B) = sinAcosB + cosAsinB

We will be using this relationship to check which option is true.

Wave equation is represented as shown;

y(t) = Asin(2πft±theta)

For positive displacement,

y(t) = Asin(2πft+theta)

If theta = π/2

y(t) = Asin(2πft+π/2)

y(t) = A[ sin 2πftcosπ/2 + cos2πft sin π/2]

Since sinπ/2 = 1 and cos (π/2) = 0

y(t) = A[ sin 2πft (0)+ cos2πft (1)]

y(t) = A[0+ cos2πft]

y(t) = Acos2πft

Hence the expression that is true is expressed as;

v(t) = Asin(2πft+π/2) = Acos2πft

8 0
3 years ago
I really need help i i put a picture up but this thing do´s not let me post it with out a question ?
kobusy [5.1K]

Answer:

Step-by-step explanation:

y=-x^{2} -5x-6

y=-(x^2+5x+6)

y=-(x+3)(x+2)

Set each factors equal to zero.

(x+3)=0 ,  x=-3

x+2=0  ,   x=-2

The x-int is

(-2,0)

4 0
2 years ago
A is directly proportional to b, and a = 14 when b = 42. Write a direct
Natali [406]

Answer:

a is to be as b as 1 is to 3 (a:b as 1:3)

Step-by-step explanation:

5 0
2 years ago
Please help!!!!! I’ll give you brainliest
Nikolay [14]

Answer:

A=32

B=3

C=7

Step-by-step explanation:

Caitlyn surveyed 100 students to find out their favorite class. There were 29 students who enjoyed biology and 35 students who enjoyed English. There were 12 students who did not enjoy Biology, English, or Math.

29 like Biology so to find B you subtract. 29-6-5=3

35 like English so to find C 35-3-5-20=7

Total of 100 students subtract what you know to find A.

100-15-6-5-3-7-20-12=32

6 0
3 years ago
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