Determine the Quadratic Function Whose Graph Is Given

question 86

Multiple Choice

Determine the quadratic function whose graph is given.
-The quadratic function f(x) = 0.0041x² - 0.48x + 36.42 models the median, or average, age, y, at which U.S. men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest
Year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)

• A) 1954, 36 years old
• B) 1959, 50.5 years old
• C) 1936, 50.5 years old
• D) 1959, 22.4 years old

---

Definitions:

Lymphoblast

Cell that matures into a lymphocyte.

Monoblast

Cell that matures into a monocyte.

Myeloblast

Immature cell from which the different granulocytes develop.

Proerythroblast

Cell that matures into an erythrocyte.