Advanced MathEasyValue of an exponential model after one hour
Advanced Math practice question
The number of cells in a culture is modelled by N(t) = 10 · 3ᵗ, where t is measured in hours. How many cells does the model give after 1 hour?
Answer: 30
10 × 3 = 30.
Common wrong answers
- If you answered 10
- 10 is the count at t = 0.
- If you answered 13
- 13 adds 3 to 10.
- If you answered 90
- 90 is after 2 hours.
More Advanced Math questions
- Easy
If f(x) = 3x − 7, what is the value of f(5)? - Easy
What are the solutions to x² − 9 = 0? - Easy
Which of the following expressions is equivalent to x² + 7x + 12 ? - Easy
The function g is defined by g(x) = x³ + 2x. What is the value of g(−2) ? - Easy
For x > 0, which of the following is equivalent to ∛(x⁵) ? - Easy
The function h is defined by h(x) = (x − 6)(x + 2). What is one value of x for which h(x) = 0 ?
Not affiliated with the College Board. SAT is a trademark of the College Board.