Dr. Quartqortog is conducting a replication of a study on the role of neurotransmitters in memory. Which of the following neurotransmitters would this researcher most likely use to demonstrate support for past research that showed how particular neurotransmitters improve memory?

Name the muscle group highlighted below (specific head not necessary)

Solve using the quadratic formula: .

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Domain: [BLANK-1]

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The horizontal asymptote is [BLANK-1].

Given the function below, evaluate f97-4f(x)=-4+3·-4x+3\begin{array}{l}\text{Given the function below, evaluate } f\left(\frac{97}{-4}\right)\\f(x)=-4+3 \cdot \sqrt{-4 x+3}\end{array}