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ANSWER>> DETERMINE THE RANGE OF THE FUNCTION.

.
y = 1/4x^2 - 5
.
A) All real numbers.
B) All integers less than or equal to -5.
C) All integers greater than or equal to -5.
D) All real numbers greater than or equal to -5.

User MrSmile
by
4.3k points

2 Answers

7 votes

Answer:

D

Explanation:

When the function or the coefficient in this case 1/4x^2 is positive it means it's opening up like a u, meaning all the values will be bigger than the C term or -5 in this case.

User Atluriajith
by
4.0k points
4 votes

Answer:

D

Explanation:

the function is open-up shape, and the vertex is (0,-5)

Because it opens up, the vertex is minimum value.

range is equal to or greater than -5

User Henghonglee
by
4.3k points