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Given y=x^3+5x+3 find dy/dx when x=3

The question can be broken into two steps, 1) dy/dx is asking to differentiate y=x 3 +5x+3 with respect to x Differentiating we multiply by the current power and lower this powers value by 1. ( Constants dif...
RL
Answered by Robert L. • Maths tutor
11951 Views

Why does resistance increase with temperature?

So, when an electrical charge passes through a resistor, some of that electrical energy is transferred into heat, increasing the temperature. This extra energy causes the particles in the resistor to vibrate...
FF
Answered by Fergus F. • Physics tutor
52416 Views

What are emergent properties?

Multicellular organisms show emergent properties; these are properties that exist due to many different components working together. For example, your lungs work and help you breathe due to all of the cells ...
HA
Answered by Helen A. • Biology tutor
24084 Views

How do we form the present tense endings for regular 'er', 'ar' and 'ir' verbs?

The present tense is used to describe actions that are happening in the present, and is the most commonly used tense in Spanish To form it, first you must remove the infinitive endings of the verb - er, ar a...
CA
Answered by Charlie A. • Spanish tutor
3756 Views

When do you use the Past Perfect (das Plusquamperfekt) and how to you construct it?

The Past Perfect is used to describe events that happened before another event in the past. It is constructed like the present perfect tense, except that "haben" or "sein" is in its simpl...
MS
Answered by Marie S. • German tutor
3440 Views