Sove for N

A.
n = 196
B.
n = 8
C.
n = 32
D.
n = 4

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Aquadratic function f(x) has a turning point at (3,-7). what is the turning point of -f(x)?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.