Define a SCHEME function, named (D+ f h), which uses the formula for the Forward Difference to approximate the derivative of a given function f , using h as the value for ∆x. Note, your function should return a function of one argument, x, that approximates the derivative of f at x (i. e f 0 (x)).

Imagine that you have a friend who is starting a small business and is interested in using social media to spread the word. he is not certain that it is a good move, and has come to you for . would you advise him to use social media to advertise his business? why or why not? support you answer with information from the text.

Cloud computing service providers manage different computing resources based on the services they offer. which resources do iaas and paas providers not manage? iaas providers do not manage the for the client, whereas paas providers usually do not manage the for their clients. iaas- storage server operating system network paas- applications interafce storage vertualiation

How are we able to create photographs differently than 100 years ago? explain your answer in relation to your photograph you selected.