Which phrase describes the algebraic expression (image)? the product of 8 and 7 more than a number the quotient of 8 and 7 8 tim
es the sum of a number and 7 8 times a number plus 7
1 answer:
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Using an exponential function, it is found that f(5.5) = 19.8.
<h3>What is an exponential function?</h3>An exponential function is a function in which the growth rate is a percentage, modeled by:
In which:
- a is the initial value.
- b is the rate of change.
f(3.5) = 25 means that:
f(8.5) = 14 means that:
Hence:
Hence, the function is given by:
Then, when x = 5.5:
More can be learned about exponential functions at brainly.com/question/25537936
<span>We have this equation:
</span>
and we need to find the value of x.
First of all, we multiply the whole equation for 1/2, so our goal is to isolate x, therefore:
Next step we must do is to apply <span>logarithms:
</span>
Next, we have to apply identities and then to solve the equation:
Finally, we have the value of x which was our goal. This is the answer for the question above:
</span>
and we need to find the value of x.
First of all, we multiply the whole equation for 1/2, so our goal is to isolate x, therefore:
Next step we must do is to apply <span>logarithms:
</span>
Next, we have to apply identities and then to solve the equation:
Finally, we have the value of x which was our goal. This is the answer for the question above: