Explanation

Every element of set A is related to an element in B, so it's a function.

Since not every element of B is mapped (e.g., c is not an image), it’s into function.

Explanation

In the speech method, the teacher delivers content in one direction—from teacher to students—without interactive feedback.

This method is mainly used for lectures or presentations where students passively receive information.

Explanation

Chlorophyll is the green pigment responsible for photosynthesis, and it is primarily contained in the mesophyll cells of plant leaves.

These cells are located in the middle layer of the leaf.

They are the main site for photosynthesis.

Explanation

Profit percent is calculated using the formula: (Profit / Cost Price) × 100%.

This formula gives the percentage profit based on the cost price (C.P).

Explanation

"However" shows contrast between going into the store and not finding anything to buy.

It connects two contrasting ideas in the sentence effectively.

Explanation

Sugarcane is a monocot plant with parallel leaf venation and fibrous roots.

Guava, Mango, and Rose are dicot plants with net-like venation and taproot systems.

Explanation

The term ellipses means omission.

An ellipsis (...) is used to omit parts of a passage without changing the meaning.

It helps to shorten long quotations or texts for clarity and relevance.

Explanation

Let's break it down step by step:

1. Expand 2x²(1 + 3x):

2x² + 6x³

2. Expand (1 + 4x² - 2x)(5x - 1):

= 5x - 1 + 20x³ - 4x² - 10x² + 2x

= 20x³ - 14x² + 7x - 1

3. Now subtract:

2x² + 6x³ - (20x³ - 14x² + 7x - 1)

= 2x² + 6x³ - 20x³ + 14x² - 7x + 1

= -14x³ + 16x² - 7x + 1

Explanation

Horseshoe design combines both circle and row formats, creating a semi-circular arrangement ideal for group discussions, assignments, and lectures.

It facilitates interaction while maintaining focus, with participants seated in a shape that promotes engagement.

Explanation

Backward Conditioning occurs when the conditioned stimulus (CS) is presented after the unconditioned stimulus (UCS) or during its presentation.

It is considered less effective in creating strong conditioning compared to other types.