Given the function f(x) = −2x2 + 4x − 7, find f(−4). −55 −7 9 25

Option (a) is correct.

The value of function at x = -4 is -55

Step-by-step explanation:

  Given :

We have to find the value at f(-4) and choose the correct option from the given options.

Consider the given function

Since, we have to find the value of f(-4) that is value of f(x) at x = -4

Substitute, value of x = -4 in given function, we have,

Simplify, we have,

Thus, the value of function at x = -4 is -55

Option (a) is correct.

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)

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