Cho hàm số y = f(x) có đạo hàm liên tục trên R và đồ thị của hàm số y = f
0
(x) như hình vẽ. Đặt g(x) = f(x − m) −
1
2
(x − m − 1)2 + 2019 với m
là tham số thực. Gọi S là tập tất cả các giá trị nguyên dương của m để hàm
số y = g(x) đồng biến trên khoảng (5; 6). Tổng các phần tử của S là
A 4. B 11. C 14. D 20.
x
y
O
−1 1 2

Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

In δabc shown below, ∠bac is congruent to ∠bca: triangle abc, where angles a and c are congruent given: base ∠bac and ∠acb are congruent. prove: δabc is an isosceles triangle. when completed (fill in the blanks), the following paragraph proves that line segment ab is congruent to line segment bc making δabc an isosceles triangle. (4 points) construct a perpendicular bisector from point b to line segment ac . label the point of intersection between this perpendicular bisector and line segment ac as point d: m∠bda and m∠bdc is 90° by the definition of a perpendicular bisector. ∠bda is congruent to ∠bdc by the definition of congruent angles. line segment ad is congruent to line segment dc by by the definition of a perpendicular bisector. δbad is congruent to δbcd by the line segment ab is congruent to line segment bc because consequently, δabc is isosceles by definition of an isosceles triangle. 1. corresponding parts of congruent triangles are congruent (cpctc) 2. the definition of a perpendicular bisector 1. the definition of a perpendicular bisector 2. the definition of congruent angles 1. the definition of congruent angles 2. the definition of a perpendicular bisector 1. angle-side-angle (asa) postulate 2. corresponding parts of congruent triangles are congruent (cpctc)