Read the sentence. once the scientist completed to assemble the components, she tested her new device to see if it performed as expected. what is the best word to replace the infinitive in the sentence? a. assembling b. assemble c. assembled d. assembly

The infinitive in this sentence indicates an action that was being done at a time, but that the scientists already completed. As the action was being done at that time it was completed, the word to replace the infinitive needs to be in present tense. Therefore, the best word to replace the infinitive in the sentence is A: assembling.

a simple sentence must have at least one dependent clause.

. a function is a relation in which each input has only one output. in the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2.