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aleksley [76]
3 years ago
15

Given that

="latex-formula"> is it ever possible to have \sqrt{a} +\sqrt{b} =\sqrt{a+b}? Explain.
Mathematics
1 answer:
xz_007 [3.2K]3 years ago
8 0

Answer:

Step-by-step explanation:

√a+√b=√(a+b)

squaring

a+b+2√a√b=a+b

or 2√a√b=0

which is possible only if a=0 or b=0

Both a and b can't be zero as a≠b

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They should both meet at 230 in 7 weeks.
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Function g can be thought of as a scaled version of f(x) = x^2 <br> write the equation for g(x)
dsp73

Answer:

g(x) = - x^2

Step-by-step explanation:

The negative sign flips the f(x) graph across the x-axis.

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3 years ago
The following graph shows the cost c, in dollars, of p pounds of strawberries at a local grocery store.
lorasvet [3.4K]

Answer:

A. The ordered pair (5, 3.5) represents 5 lbs. of strawberries cost $3.50.

B. The cost per pound of strawberries is shown at (1, 0.7).

C. The relationship shown in the graph is a direct variation because as the pounds of strawberries increase, the cost also increases.

Explanation:

A. The coordinate is in (x,y). The x-axis represents the pound of strawberries and the y-axis represents the cost of the strawberries.

B. The cost for one pound of strawberries can be calculated to find the exact value of y (cost) when x is 1. The graph shows 5 lbs. of strawberries cost $3.50 so divide $3.50 by 5 lbs. to find the cost per pound of strawberries. 3.5 ÷ 5 = 0.7. On the graph, the cost for one pound of strawberries is at (1, 0.7)

C. A direct variation in a graph is shown when both x and y increase or decrease together. In this case, as the pounds of strawberries increase, the cost of the strawberries also increases.

6 0
3 years ago
I really need help with this can somebody help me ?
Mama L [17]

<em>Answer</em>

a. Vertical shrink by a factor of 1/3

<em>Step-by-step explanation</em>

Function transformation

• a,f(x) vertically compresses f(x) when 0 < a < 1

Given the function:

f(x)=x^2

Multiplying f(x) by a = 1/3, we get:

\frac{1}{3}f(x)=\frac{1}{3}x^2=h(x)

Then, f(x) is vertically shrunk by a factor of 1/3

6 0
1 year ago
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