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Engineering Mathematics Practice Test 65

# Exponential Growth Quiz Questions and Answers PDF Download - 65

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The Quiz MCQ: If A' growth rate of number of bacteria at any time t is proportional to the number present at any time t and doubles in 1 week then bacteria after two week is; "Exponential Growth" App Download (Free) with answers: 0.099A(t); 4A(t); 16A(t); 24A(t); for online engineering associate's degree. Learn Separable Ordinary Differential Equation Modeling Questions and Answers, Apple eBook to download free sample to study online classes courses.

## Exponential Growth Questions and Answers : MCQ 65

MCQ 321:

If A' growth rate of number of bacteria at any time t is proportional to the number present at any time t and doubles in 1 week then bacteria after two week is

1. 4A(t)
2. 0.099A(t)
3. 16A(t)
4. 24A(t)
MCQ 322:

A tank contains 400 gal of brine in which 100lb salt is disolved where fresh water runs into the tank at rate of 2 gal/min, if C is salt concenteration, A is amount of salt and V is volume of tank than

1. C=AV
2. C=V/A
3. C=A/V
4. C=A+V
MCQ 323:

System in which output characteristics depend explicitly upon time is known as

1. Time-invariant system
2. Time-variant system
3. Non-linear system
4. Constant system
MCQ 324:

In ∂x(uv), where u and v are variables, is equals to

1. u∂v∂x+v∂u∂x
2. u∂u∂x+v∂v∂x
3. uv ∂x+∂u∂x(uv)
4. uv∂x
MCQ 325:

A function y=h(x) of a given ODE on some open interval a < x < b if h(x) is defined and differentiable throughout the interval and is such that equation become an identity is called

1. separation
2. scalar
3. solution
4. summation

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