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Tutor profile: Alyssa S.

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Alyssa S.
Premed Student
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Questions

Subject: Pre-Calculus

TutorMe
Question:

Find the inverse function of: y = 3x^2 + 4

Inactive
Alyssa S.
Answer:

Step 1: Switch the locations of the variables x = 3y^2 + 4 Step 2: Solve for Y using the reverse order of operations. P E M/D [A/S] x - 4 = 3y^2 P E [M/D] A/S (x-4)/3 = y^2 P [E] M/D A/S √( (x-4)/3 = y

Subject: Biology

TutorMe
Question:

Compare and contrast Mitosis and Meiosis

Inactive
Alyssa S.
Answer:

While both Mitosis and Mieosis involve the division of cells, Mitosis is used for cell division and replication whereas Meiosis is used to create gametes in organisms that use sexual reproduction. Additionally, while Mitosis and Meiosis have similar processes, Meiosis undergoes a second division of the cellular contents (including DNA), producing four daughter cells instead of two. Mutation in Mitosis is usually limited to copy errors. However, in Meiosis homologous chromosomes will often overlap and swap segments in Prophase and Metaphase 1. This leads to more variation in sexual reproduction. Independent assortment of chromosomes--or the random segregation of the mother and father's chromosomes, can also lead to novel combinations.

Subject: Algebra

TutorMe
Question:

Factor: x^3 + 27

Inactive
Alyssa S.
Answer:

This problem is a sum of cubes! Recognizing this, we need to apply the formula A^3 + b^3 = (A+B)(A^2-AB+B^2). This gives us: (x+3)(x^2-3x+9)

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