Answer:
224
Step-by-step explanation:
Hello!
To find f(-7) you simply plug the value, -7, into the function.
This will get you:
f(-7) = 4(-7)^2 - 4(-7)
Remember that the square of a negative number is a positive! Also, remember to use the order of operations (PEMDAS)!
This will get you:
f(-7) = 4(49) - 4(-7)
f(-7) = 196 - (-28)
f(-7) = 224
Hope this helps!
Answer:
(2,6)
Step-by-step explanation:
Answer:
225
Step-by-step explanation:
First, find the area of the sqare so 5x5 would be 25.
Next, find the area of the triangle, the formula for that is 1/2 base x height. Here the base is 5 in and the height is 20 so that would be (5 x 20) 1/2 which equals 50. Then, because there are 4 triangles multiply the fifty 4 times, 200.
Then take the 25 from the square and add it to the 200 to get your answer of 225!
Step-by-step explanation:
f(1)=(3×1)+1=4
so f(g(1)=4