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morpeh [17]
3 years ago
13

Determine if the function f is an exponential function. If so, identify the base. If not, why not? f(x) = 3^x + 1

Mathematics
1 answer:
alex41 [277]3 years ago
8 0

Answer:

  3

Step-by-step explanation:

f(x) has the variable in the exponent, so is an exponential function.

The base is 3.

__

The base is what is being raised to the power of x.

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Use the Pythagorean Theorem to find an approximate value of x
kozerog [31]

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Step-by-step explanation:

Hypotenuse² =base² + altitude²

(3x + 4)² = (2x + 1)² + (3x)²

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(3x)² + 2*3x+4 + 4² = (2x)² + 2*2x*1 + 1² + 9x²

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x=\dfrac{-b+\sqrt{D}}{2a} \ ; \ x=\dfrac{-b-\sqrt{D}}{2a}\\\\\\x=\dfrac{20+25.30}{2*4} \ ; \ x=\dfrac{20-25.30}{2*4}\\\\\\x=\dfrac{45.30}{8} \ ; \  x =\dfrac{-5.30}{8}\\\\

x = 5 .66   ; x = -0.66

Ignore x = -0.66 as length of a side cannot be negative

Answer : x = 5.66

7 0
2 years ago
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=  \frac{3}{2} +  \frac{-4}{7} 

=  \frac{21}{14} +  \frac{-8}{14}
=  \frac{21+-8}{14}
= \frac{13}{14}
<span>Decimal: 0.928571</span>
4 0
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3 years ago
2x+8.4=2.634+5.42x <br><br>round to the nearest thousandth
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x= 1.68596491

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